Home / 143,789.08-198,372.36-96,073.60

Finding the Fourth Proportional to 143,789.08, 198,372.36 and 96,073.60

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Solution

The fourth proportional to 143,789.08, 198,372.36 and 96,073.60 is: 132,543.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,789.08 : 198,372.36 = 96,073.60 : x
  2. Step 2: Convert to fraction form
    143,789.08/198,372.36 = 96,073.60/x
  3. Step 3: Cross multiply
    143,789.08x = 198,372.36 × 96,073.60
  4. Step 4: Simplify right side
    143,789.08x = 19,058,346,765.70
  5. Step 5: Solve for x
    x = 19,058,346,765.70/143,789.08
  6. Step 6: Final answer
    x = 132,543.77

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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.