Home / 162,512.58-243,565.92-112,191.84

Finding the Fourth Proportional to 162,512.58, 243,565.92 and 112,191.84

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Solution

The fourth proportional to 162,512.58, 243,565.92 and 112,191.84 is: 168,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,512.58 : 243,565.92 = 112,191.84 : x
  2. Step 2: Convert to fraction form
    162,512.58/243,565.92 = 112,191.84/x
  3. Step 3: Cross multiply
    162,512.58x = 243,565.92 × 112,191.84
  4. Step 4: Simplify right side
    162,512.58x = 27,326,108,726.09
  5. Step 5: Solve for x
    x = 27,326,108,726.09/162,512.58
  6. Step 6: Final answer
    x = 168,147.65

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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.