Home / 165,070.86-227,565.06-117,306.78

Finding the Fourth Proportional to 165,070.86, 227,565.06 and 117,306.78

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Solution

The fourth proportional to 165,070.86, 227,565.06 and 117,306.78 is: 161,717.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,070.86 : 227,565.06 = 117,306.78 : x
  2. Step 2: Convert to fraction form
    165,070.86/227,565.06 = 117,306.78/x
  3. Step 3: Cross multiply
    165,070.86x = 227,565.06 × 117,306.78
  4. Step 4: Simplify right side
    165,070.86x = 26,694,924,429.11
  5. Step 5: Solve for x
    x = 26,694,924,429.11/165,070.86
  6. Step 6: Final answer
    x = 161,717.97

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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.