Home / 143,955.20-215,356.08-124,443.92

Finding the Fourth Proportional to 143,955.20, 215,356.08 and 124,443.92

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Solution

The fourth proportional to 143,955.20, 215,356.08 and 124,443.92 is: 186,167.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.20 : 215,356.08 = 124,443.92 : x
  2. Step 2: Convert to fraction form
    143,955.20/215,356.08 = 124,443.92/x
  3. Step 3: Cross multiply
    143,955.20x = 215,356.08 × 124,443.92
  4. Step 4: Simplify right side
    143,955.20x = 26,799,754,791.03
  5. Step 5: Solve for x
    x = 26,799,754,791.03/143,955.20
  6. Step 6: Final answer
    x = 186,167.33

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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.