Home / 124,356.83-186,489.68-40,139.10

Finding the Fourth Proportional to 124,356.83, 186,489.68 and 40,139.10

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Solution

The fourth proportional to 124,356.83, 186,489.68 and 40,139.10 is: 60,193.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,356.83 : 186,489.68 = 40,139.10 : x
  2. Step 2: Convert to fraction form
    124,356.83/186,489.68 = 40,139.10/x
  3. Step 3: Cross multiply
    124,356.83x = 186,489.68 × 40,139.10
  4. Step 4: Simplify right side
    124,356.83x = 7,485,527,713.79
  5. Step 5: Solve for x
    x = 7,485,527,713.79/124,356.83
  6. Step 6: Final answer
    x = 60,193.94

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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.