Home / 156,711.38-235,160.46-56,879.37

Finding the Fourth Proportional to 156,711.38, 235,160.46 and 56,879.37

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Solution

The fourth proportional to 156,711.38, 235,160.46 and 56,879.37 is: 85,352.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.38 : 235,160.46 = 56,879.37 : x
  2. Step 2: Convert to fraction form
    156,711.38/235,160.46 = 56,879.37/x
  3. Step 3: Cross multiply
    156,711.38x = 235,160.46 × 56,879.37
  4. Step 4: Simplify right side
    156,711.38x = 13,375,778,813.71
  5. Step 5: Solve for x
    x = 13,375,778,813.71/156,711.38
  6. Step 6: Final answer
    x = 85,352.95

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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.