Home / 106,727-147,286.20-58,983.44

Finding the Fourth Proportional to 106,727, 147,286.20 and 58,983.44

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Solution

The fourth proportional to 106,727, 147,286.20 and 58,983.44 is: 81,398.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,727 : 147,286.20 = 58,983.44 : x
  2. Step 2: Convert to fraction form
    106,727/147,286.20 = 58,983.44/x
  3. Step 3: Cross multiply
    106,727x = 147,286.20 × 58,983.44
  4. Step 4: Simplify right side
    106,727x = 8,687,446,740.53
  5. Step 5: Solve for x
    x = 8,687,446,740.53/106,727
  6. Step 6: Final answer
    x = 81,398.77

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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.