Home / 126,363.90-174,240.01-103,321.83

Finding the Fourth Proportional to 126,363.90, 174,240.01 and 103,321.83

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Solution

The fourth proportional to 126,363.90, 174,240.01 and 103,321.83 is: 142,467.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,363.90 : 174,240.01 = 103,321.83 : x
  2. Step 2: Convert to fraction form
    126,363.90/174,240.01 = 103,321.83/x
  3. Step 3: Cross multiply
    126,363.90x = 174,240.01 × 103,321.83
  4. Step 4: Simplify right side
    126,363.90x = 18,002,796,692.42
  5. Step 5: Solve for x
    x = 18,002,796,692.42/126,363.90
  6. Step 6: Final answer
    x = 142,467.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.