Home / 124,906.13-172,366.17-71,208.45

Finding the Fourth Proportional to 124,906.13, 172,366.17 and 71,208.45

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Solution

The fourth proportional to 124,906.13, 172,366.17 and 71,208.45 is: 98,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,906.13 : 172,366.17 = 71,208.45 : x
  2. Step 2: Convert to fraction form
    124,906.13/172,366.17 = 71,208.45/x
  3. Step 3: Cross multiply
    124,906.13x = 172,366.17 × 71,208.45
  4. Step 4: Simplify right side
    124,906.13x = 12,273,927,798.14
  5. Step 5: Solve for x
    x = 12,273,927,798.14/124,906.13
  6. Step 6: Final answer
    x = 98,265.22

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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.