Home / 156,923.70-235,385.55-51,717.30

Finding the Fourth Proportional to 156,923.70, 235,385.55 and 51,717.30

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Solution

The fourth proportional to 156,923.70, 235,385.55 and 51,717.30 is: 77,575.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.70 : 235,385.55 = 51,717.30 : x
  2. Step 2: Convert to fraction form
    156,923.70/235,385.55 = 51,717.30/x
  3. Step 3: Cross multiply
    156,923.70x = 235,385.55 × 51,717.30
  4. Step 4: Simplify right side
    156,923.70x = 12,173,505,105.02
  5. Step 5: Solve for x
    x = 12,173,505,105.02/156,923.70
  6. Step 6: Final answer
    x = 77,575.95

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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.