Home / 156,657.24-235,020.42-51,471.72

Finding the Fourth Proportional to 156,657.24, 235,020.42 and 51,471.72

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Solution

The fourth proportional to 156,657.24, 235,020.42 and 51,471.72 is: 77,218.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,657.24 : 235,020.42 = 51,471.72 : x
  2. Step 2: Convert to fraction form
    156,657.24/235,020.42 = 51,471.72/x
  3. Step 3: Cross multiply
    156,657.24x = 235,020.42 × 51,471.72
  4. Step 4: Simplify right side
    156,657.24x = 12,096,905,252.52
  5. Step 5: Solve for x
    x = 12,096,905,252.52/156,657.24
  6. Step 6: Final answer
    x = 77,218.94

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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.