Home / 143,862.60-215,793.54-38,681.56

Finding the Fourth Proportional to 143,862.60, 215,793.54 and 38,681.56

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Solution

The fourth proportional to 143,862.60, 215,793.54 and 38,681.56 is: 58,022.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,862.60 : 215,793.54 = 38,681.56 : x
  2. Step 2: Convert to fraction form
    143,862.60/215,793.54 = 38,681.56/x
  3. Step 3: Cross multiply
    143,862.60x = 215,793.54 × 38,681.56
  4. Step 4: Simplify right side
    143,862.60x = 8,347,230,765.12
  5. Step 5: Solve for x
    x = 8,347,230,765.12/143,862.60
  6. Step 6: Final answer
    x = 58,022.24

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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.