Home / 129,026.92-193,545.52-40,280.44

Finding the Fourth Proportional to 129,026.92, 193,545.52 and 40,280.44

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Solution

The fourth proportional to 129,026.92, 193,545.52 and 40,280.44 is: 60,422.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,026.92 : 193,545.52 = 40,280.44 : x
  2. Step 2: Convert to fraction form
    129,026.92/193,545.52 = 40,280.44/x
  3. Step 3: Cross multiply
    129,026.92x = 193,545.52 × 40,280.44
  4. Step 4: Simplify right side
    129,026.92x = 7,796,098,705.63
  5. Step 5: Solve for x
    x = 7,796,098,705.63/129,026.92
  6. Step 6: Final answer
    x = 60,422.26

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1.5x scale

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.