Home / 99,250.48-148,890.28-29,120.56

Finding the Fourth Proportional to 99,250.48, 148,890.28 and 29,120.56

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Solution

The fourth proportional to 99,250.48, 148,890.28 and 29,120.56 is: 43,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,250.48 : 148,890.28 = 29,120.56 : x
  2. Step 2: Convert to fraction form
    99,250.48/148,890.28 = 29,120.56/x
  3. Step 3: Cross multiply
    99,250.48x = 148,890.28 × 29,120.56
  4. Step 4: Simplify right side
    99,250.48x = 4,335,768,332.16
  5. Step 5: Solve for x
    x = 4,335,768,332.16/99,250.48
  6. Step 6: Final answer
    x = 43,685.11

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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.