Home / 161,332.26-242,064.88-71,327.64

Finding the Fourth Proportional to 161,332.26, 242,064.88 and 71,327.64

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Solution

The fourth proportional to 161,332.26, 242,064.88 and 71,327.64 is: 107,020.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,332.26 : 242,064.88 = 71,327.64 : x
  2. Step 2: Convert to fraction form
    161,332.26/242,064.88 = 71,327.64/x
  3. Step 3: Cross multiply
    161,332.26x = 242,064.88 × 71,327.64
  4. Step 4: Simplify right side
    161,332.26x = 17,265,916,617.28
  5. Step 5: Solve for x
    x = 17,265,916,617.28/161,332.26
  6. Step 6: Final answer
    x = 107,020.86

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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.