Home / 161,743.29-223,207.85-92,843.88

Finding the Fourth Proportional to 161,743.29, 223,207.85 and 92,843.88

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Solution

The fourth proportional to 161,743.29, 223,207.85 and 92,843.88 is: 128,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,743.29 : 223,207.85 = 92,843.88 : x
  2. Step 2: Convert to fraction form
    161,743.29/223,207.85 = 92,843.88/x
  3. Step 3: Cross multiply
    161,743.29x = 223,207.85 × 92,843.88
  4. Step 4: Simplify right side
    161,743.29x = 20,723,482,376.24
  5. Step 5: Solve for x
    x = 20,723,482,376.24/161,743.29
  6. Step 6: Final answer
    x = 128,125.76

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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.