Home / 156,181.44-215,474.40-89,074.56

Finding the Fourth Proportional to 156,181.44, 215,474.40 and 89,074.56

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Solution

The fourth proportional to 156,181.44, 215,474.40 and 89,074.56 is: 122,890.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,181.44 : 215,474.40 = 89,074.56 : x
  2. Step 2: Convert to fraction form
    156,181.44/215,474.40 = 89,074.56/x
  3. Step 3: Cross multiply
    156,181.44x = 215,474.40 × 89,074.56
  4. Step 4: Simplify right side
    156,181.44x = 19,193,287,371.26
  5. Step 5: Solve for x
    x = 19,193,287,371.26/156,181.44
  6. Step 6: Final answer
    x = 122,890.96

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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.