Home / 106,614.18-147,129.46-58,864.68

Finding the Fourth Proportional to 106,614.18, 147,129.46 and 58,864.68

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Solution

The fourth proportional to 106,614.18, 147,129.46 and 58,864.68 is: 81,234.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,614.18 : 147,129.46 = 58,864.68 : x
  2. Step 2: Convert to fraction form
    106,614.18/147,129.46 = 58,864.68/x
  3. Step 3: Cross multiply
    106,614.18x = 147,129.46 × 58,864.68
  4. Step 4: Simplify right side
    106,614.18x = 8,660,728,581.47
  5. Step 5: Solve for x
    x = 8,660,728,581.47/106,614.18
  6. Step 6: Final answer
    x = 81,234.30

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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.