Home / 189,545.13-261,586.06-108,997.92

Finding the Fourth Proportional to 189,545.13, 261,586.06 and 108,997.92

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Solution

The fourth proportional to 189,545.13, 261,586.06 and 108,997.92 is: 150,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,545.13 : 261,586.06 = 108,997.92 : x
  2. Step 2: Convert to fraction form
    189,545.13/261,586.06 = 108,997.92/x
  3. Step 3: Cross multiply
    189,545.13x = 261,586.06 × 108,997.92
  4. Step 4: Simplify right side
    189,545.13x = 28,512,336,168.50
  5. Step 5: Solve for x
    x = 28,512,336,168.50/189,545.13
  6. Step 6: Final answer
    x = 150,425.05

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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.