Home / 99,350.20-148,699.50-54,302.55

Finding the Fourth Proportional to 99,350.20, 148,699.50 and 54,302.55

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Solution

The fourth proportional to 99,350.20, 148,699.50 and 54,302.55 is: 81,275.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,350.20 : 148,699.50 = 54,302.55 : x
  2. Step 2: Convert to fraction form
    99,350.20/148,699.50 = 54,302.55/x
  3. Step 3: Cross multiply
    99,350.20x = 148,699.50 × 54,302.55
  4. Step 4: Simplify right side
    99,350.20x = 8,074,762,033.73
  5. Step 5: Solve for x
    x = 8,074,762,033.73/99,350.20
  6. Step 6: Final answer
    x = 81,275.75

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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.