Home / 167,142.85-230,691.11-113,445.18

Finding the Fourth Proportional to 167,142.85, 230,691.11 and 113,445.18

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Solution

The fourth proportional to 167,142.85, 230,691.11 and 113,445.18 is: 156,577.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,142.85 : 230,691.11 = 113,445.18 : x
  2. Step 2: Convert to fraction form
    167,142.85/230,691.11 = 113,445.18/x
  3. Step 3: Cross multiply
    167,142.85x = 230,691.11 × 113,445.18
  4. Step 4: Simplify right side
    167,142.85x = 26,170,793,931.12
  5. Step 5: Solve for x
    x = 26,170,793,931.12/167,142.85
  6. Step 6: Final answer
    x = 156,577.41

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1.5x scale

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.