Home / 113,213.72-156,235.25-62,231.67

Finding the Fourth Proportional to 113,213.72, 156,235.25 and 62,231.67

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Solution

The fourth proportional to 113,213.72, 156,235.25 and 62,231.67 is: 85,879.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,213.72 : 156,235.25 = 62,231.67 : x
  2. Step 2: Convert to fraction form
    113,213.72/156,235.25 = 62,231.67/x
  3. Step 3: Cross multiply
    113,213.72x = 156,235.25 × 62,231.67
  4. Step 4: Simplify right side
    113,213.72x = 9,722,780,675.95
  5. Step 5: Solve for x
    x = 9,722,780,675.95/113,213.72
  6. Step 6: Final answer
    x = 85,879.88

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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.