Home / 156,629.60-234,944.40-112,670.90

Finding the Fourth Proportional to 156,629.60, 234,944.40 and 112,670.90

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Solution

The fourth proportional to 156,629.60, 234,944.40 and 112,670.90 is: 169,006.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,629.60 : 234,944.40 = 112,670.90 : x
  2. Step 2: Convert to fraction form
    156,629.60/234,944.40 = 112,670.90/x
  3. Step 3: Cross multiply
    156,629.60x = 234,944.40 × 112,670.90
  4. Step 4: Simplify right side
    156,629.60x = 26,471,396,997.96
  5. Step 5: Solve for x
    x = 26,471,396,997.96/156,629.60
  6. Step 6: Final answer
    x = 169,006.35

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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.