Home / 134,545.46-185,687.32-74,122.30

Finding the Fourth Proportional to 134,545.46, 185,687.32 and 74,122.30

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Solution

The fourth proportional to 134,545.46, 185,687.32 and 74,122.30 is: 102,296.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,545.46 : 185,687.32 = 74,122.30 : x
  2. Step 2: Convert to fraction form
    134,545.46/185,687.32 = 74,122.30/x
  3. Step 3: Cross multiply
    134,545.46x = 185,687.32 × 74,122.30
  4. Step 4: Simplify right side
    134,545.46x = 13,763,570,310.80
  5. Step 5: Solve for x
    x = 13,763,570,310.80/134,545.46
  6. Step 6: Final answer
    x = 102,296.80

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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.