Home / 161,731.35-223,191.45-93,752.10

Finding the Fourth Proportional to 161,731.35, 223,191.45 and 93,752.10

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Solution

The fourth proportional to 161,731.35, 223,191.45 and 93,752.10 is: 129,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,731.35 : 223,191.45 = 93,752.10 : x
  2. Step 2: Convert to fraction form
    161,731.35/223,191.45 = 93,752.10/x
  3. Step 3: Cross multiply
    161,731.35x = 223,191.45 × 93,752.10
  4. Step 4: Simplify right side
    161,731.35x = 20,924,667,139.55
  5. Step 5: Solve for x
    x = 20,924,667,139.55/161,731.35
  6. Step 6: Final answer
    x = 129,379.17

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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.