Home / 134,520.18-185,639.04-74,092.92

Finding the Fourth Proportional to 134,520.18, 185,639.04 and 74,092.92

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Solution

The fourth proportional to 134,520.18, 185,639.04 and 74,092.92 is: 102,248.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,520.18 : 185,639.04 = 74,092.92 : x
  2. Step 2: Convert to fraction form
    134,520.18/185,639.04 = 74,092.92/x
  3. Step 3: Cross multiply
    134,520.18x = 185,639.04 × 74,092.92
  4. Step 4: Simplify right side
    134,520.18x = 13,754,538,539.60
  5. Step 5: Solve for x
    x = 13,754,538,539.60/134,520.18
  6. Step 6: Final answer
    x = 102,248.89

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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.