Home / 99,203.86-148,650.24-84,351.70

Finding the Fourth Proportional to 99,203.86, 148,650.24 and 84,351.70

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Solution

The fourth proportional to 99,203.86, 148,650.24 and 84,351.70 is: 126,395.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,203.86 : 148,650.24 = 84,351.70 : x
  2. Step 2: Convert to fraction form
    99,203.86/148,650.24 = 84,351.70/x
  3. Step 3: Cross multiply
    99,203.86x = 148,650.24 × 84,351.70
  4. Step 4: Simplify right side
    99,203.86x = 12,538,900,449.41
  5. Step 5: Solve for x
    x = 12,538,900,449.41/99,203.86
  6. Step 6: Final answer
    x = 126,395.29

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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.