Home / 103,524.10-155,286.15-92,248.90

Finding the Fourth Proportional to 103,524.10, 155,286.15 and 92,248.90

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Solution

The fourth proportional to 103,524.10, 155,286.15 and 92,248.90 is: 138,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,524.10 : 155,286.15 = 92,248.90 : x
  2. Step 2: Convert to fraction form
    103,524.10/155,286.15 = 92,248.90/x
  3. Step 3: Cross multiply
    103,524.10x = 155,286.15 × 92,248.90
  4. Step 4: Simplify right side
    103,524.10x = 14,324,976,522.74
  5. Step 5: Solve for x
    x = 14,324,976,522.74/103,524.10
  6. Step 6: Final answer
    x = 138,373.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.