Home / 128,395.17-192,592.22-34,900.65

Finding the Fourth Proportional to 128,395.17, 192,592.22 and 34,900.65

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Solution

The fourth proportional to 128,395.17, 192,592.22 and 34,900.65 is: 52,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,395.17 : 192,592.22 = 34,900.65 : x
  2. Step 2: Convert to fraction form
    128,395.17/192,592.22 = 34,900.65/x
  3. Step 3: Cross multiply
    128,395.17x = 192,592.22 × 34,900.65
  4. Step 4: Simplify right side
    128,395.17x = 6,721,593,488.44
  5. Step 5: Solve for x
    x = 6,721,593,488.44/128,395.17
  6. Step 6: Final answer
    x = 52,350.83

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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.