Home / 187,724.09-259,057.90-101,681.13

Finding the Fourth Proportional to 187,724.09, 259,057.90 and 101,681.13

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Solution

The fourth proportional to 187,724.09, 259,057.90 and 101,681.13 is: 140,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,724.09 : 259,057.90 = 101,681.13 : x
  2. Step 2: Convert to fraction form
    187,724.09/259,057.90 = 101,681.13/x
  3. Step 3: Cross multiply
    187,724.09x = 259,057.90 × 101,681.13
  4. Step 4: Simplify right side
    187,724.09x = 26,341,300,007.43
  5. Step 5: Solve for x
    x = 26,341,300,007.43/187,724.09
  6. Step 6: Final answer
    x = 140,319.23

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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.