Home / 118,644.01-163,805.15-105,875.24

Finding the Fourth Proportional to 118,644.01, 163,805.15 and 105,875.24

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Solution

The fourth proportional to 118,644.01, 163,805.15 and 105,875.24 is: 146,176.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,644.01 : 163,805.15 = 105,875.24 : x
  2. Step 2: Convert to fraction form
    118,644.01/163,805.15 = 105,875.24/x
  3. Step 3: Cross multiply
    118,644.01x = 163,805.15 × 105,875.24
  4. Step 4: Simplify right side
    118,644.01x = 17,342,909,569.49
  5. Step 5: Solve for x
    x = 17,342,909,569.49/118,644.01
  6. Step 6: Final answer
    x = 146,176.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.