Home / 156,988.60-235,958.68-103,861.80

Finding the Fourth Proportional to 156,988.60, 235,958.68 and 103,861.80

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Solution

The fourth proportional to 156,988.60, 235,958.68 and 103,861.80 is: 156,107.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,988.60 : 235,958.68 = 103,861.80 : x
  2. Step 2: Convert to fraction form
    156,988.60/235,958.68 = 103,861.80/x
  3. Step 3: Cross multiply
    156,988.60x = 235,958.68 × 103,861.80
  4. Step 4: Simplify right side
    156,988.60x = 24,507,093,230.42
  5. Step 5: Solve for x
    x = 24,507,093,230.42/156,988.60
  6. Step 6: Final answer
    x = 156,107.47

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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.