Home / 107,471.91-148,265.20-67,115.61

Finding the Fourth Proportional to 107,471.91, 148,265.20 and 67,115.61

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Solution

The fourth proportional to 107,471.91, 148,265.20 and 67,115.61 is: 92,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,471.91 : 148,265.20 = 67,115.61 : x
  2. Step 2: Convert to fraction form
    107,471.91/148,265.20 = 67,115.61/x
  3. Step 3: Cross multiply
    107,471.91x = 148,265.20 × 67,115.61
  4. Step 4: Simplify right side
    107,471.91x = 9,950,909,339.77
  5. Step 5: Solve for x
    x = 9,950,909,339.77/107,471.91
  6. Step 6: Final answer
    x = 92,590.79

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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.