Home / 99,187.12-148,593.08-76,891.24

Finding the Fourth Proportional to 99,187.12, 148,593.08 and 76,891.24

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Solution

The fourth proportional to 99,187.12, 148,593.08 and 76,891.24 is: 115,191.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,187.12 : 148,593.08 = 76,891.24 : x
  2. Step 2: Convert to fraction form
    99,187.12/148,593.08 = 76,891.24/x
  3. Step 3: Cross multiply
    99,187.12x = 148,593.08 × 76,891.24
  4. Step 4: Simplify right side
    99,187.12x = 11,425,506,176.62
  5. Step 5: Solve for x
    x = 11,425,506,176.62/99,187.12
  6. Step 6: Final answer
    x = 115,191.43

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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.