Home / 117,412.20-176,143.14-38,519.82

Finding the Fourth Proportional to 117,412.20, 176,143.14 and 38,519.82

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Solution

The fourth proportional to 117,412.20, 176,143.14 and 38,519.82 is: 57,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,412.20 : 176,143.14 = 38,519.82 : x
  2. Step 2: Convert to fraction form
    117,412.20/176,143.14 = 38,519.82/x
  3. Step 3: Cross multiply
    117,412.20x = 176,143.14 × 38,519.82
  4. Step 4: Simplify right side
    117,412.20x = 6,785,002,047.03
  5. Step 5: Solve for x
    x = 6,785,002,047.03/117,412.20
  6. Step 6: Final answer
    x = 57,787.88

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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.