Home / 221,617.17-332,195.85-103,191.12

Finding the Fourth Proportional to 221,617.17, 332,195.85 and 103,191.12

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Solution

The fourth proportional to 221,617.17, 332,195.85 and 103,191.12 is: 154,679.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,617.17 : 332,195.85 = 103,191.12 : x
  2. Step 2: Convert to fraction form
    221,617.17/332,195.85 = 103,191.12/x
  3. Step 3: Cross multiply
    221,617.17x = 332,195.85 × 103,191.12
  4. Step 4: Simplify right side
    221,617.17x = 34,279,661,820.85
  5. Step 5: Solve for x
    x = 34,279,661,820.85/221,617.17
  6. Step 6: Final answer
    x = 154,679.63

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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.