Home / 99,288.20-148,932.30-94,449.80

Finding the Fourth Proportional to 99,288.20, 148,932.30 and 94,449.80

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Solution

The fourth proportional to 99,288.20, 148,932.30 and 94,449.80 is: 141,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,288.20 : 148,932.30 = 94,449.80 : x
  2. Step 2: Convert to fraction form
    99,288.20/148,932.30 = 94,449.80/x
  3. Step 3: Cross multiply
    99,288.20x = 148,932.30 × 94,449.80
  4. Step 4: Simplify right side
    99,288.20x = 14,066,625,948.54
  5. Step 5: Solve for x
    x = 14,066,625,948.54/99,288.20
  6. Step 6: Final answer
    x = 141,674.70

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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.