Home / 99,165.17-136,847.85-54,453.17

Finding the Fourth Proportional to 99,165.17, 136,847.85 and 54,453.17

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Solution

The fourth proportional to 99,165.17, 136,847.85 and 54,453.17 is: 75,145.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,165.17 : 136,847.85 = 54,453.17 : x
  2. Step 2: Convert to fraction form
    99,165.17/136,847.85 = 54,453.17/x
  3. Step 3: Cross multiply
    99,165.17x = 136,847.85 × 54,453.17
  4. Step 4: Simplify right side
    99,165.17x = 7,451,799,240.18
  5. Step 5: Solve for x
    x = 7,451,799,240.18/99,165.17
  6. Step 6: Final answer
    x = 75,145.33

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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.