Home / 156,745.24-235,123.80-51,572.68

Finding the Fourth Proportional to 156,745.24, 235,123.80 and 51,572.68

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Solution

The fourth proportional to 156,745.24, 235,123.80 and 51,572.68 is: 77,360.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,745.24 : 235,123.80 = 51,572.68 : x
  2. Step 2: Convert to fraction form
    156,745.24/235,123.80 = 51,572.68/x
  3. Step 3: Cross multiply
    156,745.24x = 235,123.80 × 51,572.68
  4. Step 4: Simplify right side
    156,745.24x = 12,125,964,497.78
  5. Step 5: Solve for x
    x = 12,125,964,497.78/156,745.24
  6. Step 6: Final answer
    x = 77,360.97

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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.