Home / 113,186.48-156,163.29-67,847.92

Finding the Fourth Proportional to 113,186.48, 156,163.29 and 67,847.92

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Solution

The fourth proportional to 113,186.48, 156,163.29 and 67,847.92 is: 93,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,186.48 : 156,163.29 = 67,847.92 : x
  2. Step 2: Convert to fraction form
    113,186.48/156,163.29 = 67,847.92/x
  3. Step 3: Cross multiply
    113,186.48x = 156,163.29 × 67,847.92
  4. Step 4: Simplify right side
    113,186.48x = 10,595,354,860.04
  5. Step 5: Solve for x
    x = 10,595,354,860.04/113,186.48
  6. Step 6: Final answer
    x = 93,609.72

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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.