Home / 156,951.10-235,441.05-51,770.30

Finding the Fourth Proportional to 156,951.10, 235,441.05 and 51,770.30

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Solution

The fourth proportional to 156,951.10, 235,441.05 and 51,770.30 is: 77,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,951.10 : 235,441.05 = 51,770.30 : x
  2. Step 2: Convert to fraction form
    156,951.10/235,441.05 = 51,770.30/x
  3. Step 3: Cross multiply
    156,951.10x = 235,441.05 × 51,770.30
  4. Step 4: Simplify right side
    156,951.10x = 12,188,853,790.82
  5. Step 5: Solve for x
    x = 12,188,853,790.82/156,951.10
  6. Step 6: Final answer
    x = 77,660.20

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1.5x scale

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.