Home / 156,958.92-235,475.28-51,777.90

Finding the Fourth Proportional to 156,958.92, 235,475.28 and 51,777.90

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Solution

The fourth proportional to 156,958.92, 235,475.28 and 51,777.90 is: 77,679.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,958.92 : 235,475.28 = 51,777.90 : x
  2. Step 2: Convert to fraction form
    156,958.92/235,475.28 = 51,777.90/x
  3. Step 3: Cross multiply
    156,958.92x = 235,475.28 × 51,777.90
  4. Step 4: Simplify right side
    156,958.92x = 12,192,415,500.31
  5. Step 5: Solve for x
    x = 12,192,415,500.31/156,958.92
  6. Step 6: Final answer
    x = 77,679.02

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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.