Home / 156,926.10-235,000.35-100,679.70

Finding the Fourth Proportional to 156,926.10, 235,000.35 and 100,679.70

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Solution

The fourth proportional to 156,926.10, 235,000.35 and 100,679.70 is: 150,770.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,926.10 : 235,000.35 = 100,679.70 : x
  2. Step 2: Convert to fraction form
    156,926.10/235,000.35 = 100,679.70/x
  3. Step 3: Cross multiply
    156,926.10x = 235,000.35 × 100,679.70
  4. Step 4: Simplify right side
    156,926.10x = 23,659,764,737.90
  5. Step 5: Solve for x
    x = 23,659,764,737.90/156,926.10
  6. Step 6: Final answer
    x = 150,770.11

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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.