Home / 186,921.16-280,425.94-60,561.20

Finding the Fourth Proportional to 186,921.16, 280,425.94 and 60,561.20

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Solution

The fourth proportional to 186,921.16, 280,425.94 and 60,561.20 is: 90,856.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,921.16 : 280,425.94 = 60,561.20 : x
  2. Step 2: Convert to fraction form
    186,921.16/280,425.94 = 60,561.20/x
  3. Step 3: Cross multiply
    186,921.16x = 280,425.94 × 60,561.20
  4. Step 4: Simplify right side
    186,921.16x = 16,982,932,138.59
  5. Step 5: Solve for x
    x = 16,982,932,138.59/186,921.16
  6. Step 6: Final answer
    x = 90,856.12

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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.