Home / 109,839.68-152,355.22-106,924.74

Finding the Fourth Proportional to 109,839.68, 152,355.22 and 106,924.74

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Solution

The fourth proportional to 109,839.68, 152,355.22 and 106,924.74 is: 148,311.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,839.68 : 152,355.22 = 106,924.74 : x
  2. Step 2: Convert to fraction form
    109,839.68/152,355.22 = 106,924.74/x
  3. Step 3: Cross multiply
    109,839.68x = 152,355.22 × 106,924.74
  4. Step 4: Simplify right side
    109,839.68x = 16,290,541,689.02
  5. Step 5: Solve for x
    x = 16,290,541,689.02/109,839.68
  6. Step 6: Final answer
    x = 148,311.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.