Home / 156,638.15-234,793.20-61,831.70

Finding the Fourth Proportional to 156,638.15, 234,793.20 and 61,831.70

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Solution

The fourth proportional to 156,638.15, 234,793.20 and 61,831.70 is: 92,682.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,638.15 : 234,793.20 = 61,831.70 : x
  2. Step 2: Convert to fraction form
    156,638.15/234,793.20 = 61,831.70/x
  3. Step 3: Cross multiply
    156,638.15x = 234,793.20 × 61,831.70
  4. Step 4: Simplify right side
    156,638.15x = 14,517,662,704.44
  5. Step 5: Solve for x
    x = 14,517,662,704.44/156,638.15
  6. Step 6: Final answer
    x = 92,682.80

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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.