Home / 156,621.73-234,879.94-56,761.01

Finding the Fourth Proportional to 156,621.73, 234,879.94 and 56,761.01

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Solution

The fourth proportional to 156,621.73, 234,879.94 and 56,761.01 is: 85,122.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,621.73 : 234,879.94 = 56,761.01 : x
  2. Step 2: Convert to fraction form
    156,621.73/234,879.94 = 56,761.01/x
  3. Step 3: Cross multiply
    156,621.73x = 234,879.94 × 56,761.01
  4. Step 4: Simplify right side
    156,621.73x = 13,332,023,721.69
  5. Step 5: Solve for x
    x = 13,332,023,721.69/156,621.73
  6. Step 6: Final answer
    x = 85,122.44

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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.