Home / 113,627.20-156,817.20-68,319.94

Finding the Fourth Proportional to 113,627.20, 156,817.20 and 68,319.94

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Solution

The fourth proportional to 113,627.20, 156,817.20 and 68,319.94 is: 94,288.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,627.20 : 156,817.20 = 68,319.94 : x
  2. Step 2: Convert to fraction form
    113,627.20/156,817.20 = 68,319.94/x
  3. Step 3: Cross multiply
    113,627.20x = 156,817.20 × 68,319.94
  4. Step 4: Simplify right side
    113,627.20x = 10,713,741,694.97
  5. Step 5: Solve for x
    x = 10,713,741,694.97/113,627.20
  6. Step 6: Final answer
    x = 94,288.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.