Home / 128,005.20-192,049.92-60,566.22

Finding the Fourth Proportional to 128,005.20, 192,049.92 and 60,566.22

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Solution

The fourth proportional to 128,005.20, 192,049.92 and 60,566.22 is: 90,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,005.20 : 192,049.92 = 60,566.22 : x
  2. Step 2: Convert to fraction form
    128,005.20/192,049.92 = 60,566.22/x
  3. Step 3: Cross multiply
    128,005.20x = 192,049.92 × 60,566.22
  4. Step 4: Simplify right side
    128,005.20x = 11,631,737,705.70
  5. Step 5: Solve for x
    x = 11,631,737,705.70/128,005.20
  6. Step 6: Final answer
    x = 90,869.26

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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.