Home / 156,317.66-215,722.39-95,921.69

Finding the Fourth Proportional to 156,317.66, 215,722.39 and 95,921.69

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Solution

The fourth proportional to 156,317.66, 215,722.39 and 95,921.69 is: 132,374.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,317.66 : 215,722.39 = 95,921.69 : x
  2. Step 2: Convert to fraction form
    156,317.66/215,722.39 = 95,921.69/x
  3. Step 3: Cross multiply
    156,317.66x = 215,722.39 × 95,921.69
  4. Step 4: Simplify right side
    156,317.66x = 20,692,455,081.08
  5. Step 5: Solve for x
    x = 20,692,455,081.08/156,317.66
  6. Step 6: Final answer
    x = 132,374.39

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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.