Home / 156,234.85-234,364.42-51,064.45

Finding the Fourth Proportional to 156,234.85, 234,364.42 and 51,064.45

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Solution

The fourth proportional to 156,234.85, 234,364.42 and 51,064.45 is: 76,600.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234.85 : 234,364.42 = 51,064.45 : x
  2. Step 2: Convert to fraction form
    156,234.85/234,364.42 = 51,064.45/x
  3. Step 3: Cross multiply
    156,234.85x = 234,364.42 × 51,064.45
  4. Step 4: Simplify right side
    156,234.85x = 11,967,690,206.87
  5. Step 5: Solve for x
    x = 11,967,690,206.87/156,234.85
  6. Step 6: Final answer
    x = 76,600.64

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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.