Home / 134,604.28-185,753.52-74,174.90

Finding the Fourth Proportional to 134,604.28, 185,753.52 and 74,174.90

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Solution

The fourth proportional to 134,604.28, 185,753.52 and 74,174.90 is: 102,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,604.28 : 185,753.52 = 74,174.90 : x
  2. Step 2: Convert to fraction form
    134,604.28/185,753.52 = 74,174.90/x
  3. Step 3: Cross multiply
    134,604.28x = 185,753.52 × 74,174.90
  4. Step 4: Simplify right side
    134,604.28x = 13,778,248,399.77
  5. Step 5: Solve for x
    x = 13,778,248,399.77/134,604.28
  6. Step 6: Final answer
    x = 102,361.15

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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.