Home / 174,185,145.60-261,277,718.40-128,835,513.60

Finding the Fourth Proportional to 174,185,145.60, 261,277,718.40 and 128,835,513.60

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Solution

The fourth proportional to 174,185,145.60, 261,277,718.40 and 128,835,513.60 is: 193,253,270.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,185,145.60 : 261,277,718.40 = 128,835,513.60 : x
  2. Step 2: Convert to fraction form
    174,185,145.60/261,277,718.40 = 128,835,513.60/x
  3. Step 3: Cross multiply
    174,185,145.60x = 261,277,718.40 × 128,835,513.60
  4. Step 4: Simplify right side
    174,185,145.60x = 33,661,849,042,300,168
  5. Step 5: Solve for x
    x = 33,661,849,042,300,168/174,185,145.60
  6. Step 6: Final answer
    x = 193,253,270.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.