Home / 156,314.16-234,500.04-51,138.96

Finding the Fourth Proportional to 156,314.16, 234,500.04 and 51,138.96

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Solution

The fourth proportional to 156,314.16, 234,500.04 and 51,138.96 is: 76,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,314.16 : 234,500.04 = 51,138.96 : x
  2. Step 2: Convert to fraction form
    156,314.16/234,500.04 = 51,138.96/x
  3. Step 3: Cross multiply
    156,314.16x = 234,500.04 × 51,138.96
  4. Step 4: Simplify right side
    156,314.16x = 11,992,088,165.56
  5. Step 5: Solve for x
    x = 11,992,088,165.56/156,314.16
  6. Step 6: Final answer
    x = 76,717.86

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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.