Home / 132,545.18-182,906.90-72,116.07

Finding the Fourth Proportional to 132,545.18, 182,906.90 and 72,116.07

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Solution

The fourth proportional to 132,545.18, 182,906.90 and 72,116.07 is: 99,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,545.18 : 182,906.90 = 72,116.07 : x
  2. Step 2: Convert to fraction form
    132,545.18/182,906.90 = 72,116.07/x
  3. Step 3: Cross multiply
    132,545.18x = 182,906.90 × 72,116.07
  4. Step 4: Simplify right side
    132,545.18x = 13,190,526,443.30
  5. Step 5: Solve for x
    x = 13,190,526,443.30/132,545.18
  6. Step 6: Final answer
    x = 99,517.21

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1.5x scale

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.