Home / 156,711.57-235,160.73-56,879.55

Finding the Fourth Proportional to 156,711.57, 235,160.73 and 56,879.55

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Solution

The fourth proportional to 156,711.57, 235,160.73 and 56,879.55 is: 85,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.57 : 235,160.73 = 56,879.55 : x
  2. Step 2: Convert to fraction form
    156,711.57/235,160.73 = 56,879.55/x
  3. Step 3: Cross multiply
    156,711.57x = 235,160.73 × 56,879.55
  4. Step 4: Simplify right side
    156,711.57x = 13,375,836,500.07
  5. Step 5: Solve for x
    x = 13,375,836,500.07/156,711.57
  6. Step 6: Final answer
    x = 85,353.22

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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.