Home / 131,921.34-197,909.76-43,167.96

Finding the Fourth Proportional to 131,921.34, 197,909.76 and 43,167.96

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Solution

The fourth proportional to 131,921.34, 197,909.76 and 43,167.96 is: 64,761.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,921.34 : 197,909.76 = 43,167.96 : x
  2. Step 2: Convert to fraction form
    131,921.34/197,909.76 = 43,167.96/x
  3. Step 3: Cross multiply
    131,921.34x = 197,909.76 × 43,167.96
  4. Step 4: Simplify right side
    131,921.34x = 8,543,360,603.29
  5. Step 5: Solve for x
    x = 8,543,360,603.29/131,921.34
  6. Step 6: Final answer
    x = 64,761.02

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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.