Home / 174,285,428.40-261,428,142.60-83,586,164.40

Finding the Fourth Proportional to 174,285,428.40, 261,428,142.60 and 83,586,164.40

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Solution

The fourth proportional to 174,285,428.40, 261,428,142.60 and 83,586,164.40 is: 125,379,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,285,428.40 : 261,428,142.60 = 83,586,164.40 : x
  2. Step 2: Convert to fraction form
    174,285,428.40/261,428,142.60 = 83,586,164.40/x
  3. Step 3: Cross multiply
    174,285,428.40x = 261,428,142.60 × 83,586,164.40
  4. Step 4: Simplify right side
    174,285,428.40x = 21,851,775,706,150,244
  5. Step 5: Solve for x
    x = 21,851,775,706,150,244/174,285,428.40
  6. Step 6: Final answer
    x = 125,379,246.60

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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.