Home / 156,711.40-235,104.90-51,524.80

Finding the Fourth Proportional to 156,711.40, 235,104.90 and 51,524.80

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Solution

The fourth proportional to 156,711.40, 235,104.90 and 51,524.80 is: 77,299.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,711.40 : 235,104.90 = 51,524.80 : x
  2. Step 2: Convert to fraction form
    156,711.40/235,104.90 = 51,524.80/x
  3. Step 3: Cross multiply
    156,711.40x = 235,104.90 × 51,524.80
  4. Step 4: Simplify right side
    156,711.40x = 12,113,732,951.52
  5. Step 5: Solve for x
    x = 12,113,732,951.52/156,711.40
  6. Step 6: Final answer
    x = 77,299.63

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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.