Home / 115,568.18-173,348.62-68,505.76

Finding the Fourth Proportional to 115,568.18, 173,348.62 and 68,505.76

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Solution

The fourth proportional to 115,568.18, 173,348.62 and 68,505.76 is: 102,756.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,568.18 : 173,348.62 = 68,505.76 : x
  2. Step 2: Convert to fraction form
    115,568.18/173,348.62 = 68,505.76/x
  3. Step 3: Cross multiply
    115,568.18x = 173,348.62 × 68,505.76
  4. Step 4: Simplify right side
    115,568.18x = 11,875,378,353.42
  5. Step 5: Solve for x
    x = 11,875,378,353.42/115,568.18
  6. Step 6: Final answer
    x = 102,756.48

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1.5x scale

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.