Home / 156,733.24-235,105.80-51,560.68

Finding the Fourth Proportional to 156,733.24, 235,105.80 and 51,560.68

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Solution

The fourth proportional to 156,733.24, 235,105.80 and 51,560.68 is: 77,342.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,733.24 : 235,105.80 = 51,560.68 : x
  2. Step 2: Convert to fraction form
    156,733.24/235,105.80 = 51,560.68/x
  3. Step 3: Cross multiply
    156,733.24x = 235,105.80 × 51,560.68
  4. Step 4: Simplify right side
    156,733.24x = 12,122,214,919.94
  5. Step 5: Solve for x
    x = 12,122,214,919.94/156,733.24
  6. Step 6: Final answer
    x = 77,342.97

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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.