Home / 156,317.88-215,722.68-95,921.90

Finding the Fourth Proportional to 156,317.88, 215,722.68 and 95,921.90

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Solution

The fourth proportional to 156,317.88, 215,722.68 and 95,921.90 is: 132,374.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,317.88 : 215,722.68 = 95,921.90 : x
  2. Step 2: Convert to fraction form
    156,317.88/215,722.68 = 95,921.90/x
  3. Step 3: Cross multiply
    156,317.88x = 215,722.68 × 95,921.90
  4. Step 4: Simplify right side
    156,317.88x = 20,692,528,507.28
  5. Step 5: Solve for x
    x = 20,692,528,507.28/156,317.88
  6. Step 6: Final answer
    x = 132,374.68

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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.