Home / 156,738.60-235,107.90-155,863.80

Finding the Fourth Proportional to 156,738.60, 235,107.90 and 155,863.80

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Solution

The fourth proportional to 156,738.60, 235,107.90 and 155,863.80 is: 233,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,738.60 : 235,107.90 = 155,863.80 : x
  2. Step 2: Convert to fraction form
    156,738.60/235,107.90 = 155,863.80/x
  3. Step 3: Cross multiply
    156,738.60x = 235,107.90 × 155,863.80
  4. Step 4: Simplify right side
    156,738.60x = 36,644,810,704.02
  5. Step 5: Solve for x
    x = 36,644,810,704.02/156,738.60
  6. Step 6: Final answer
    x = 233,795.70

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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.