Home / 124,824.38-172,254.39-73,839.74

Finding the Fourth Proportional to 124,824.38, 172,254.39 and 73,839.74

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Solution

The fourth proportional to 124,824.38, 172,254.39 and 73,839.74 is: 101,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,824.38 : 172,254.39 = 73,839.74 : x
  2. Step 2: Convert to fraction form
    124,824.38/172,254.39 = 73,839.74/x
  3. Step 3: Cross multiply
    124,824.38x = 172,254.39 × 73,839.74
  4. Step 4: Simplify right side
    124,824.38x = 12,719,218,510.19
  5. Step 5: Solve for x
    x = 12,719,218,510.19/124,824.38
  6. Step 6: Final answer
    x = 101,896.91

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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.