Home / 198,223.20-273,561.48-112,182.06

Finding the Fourth Proportional to 198,223.20, 273,561.48 and 112,182.06

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Solution

The fourth proportional to 198,223.20, 273,561.48 and 112,182.06 is: 154,818.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,223.20 : 273,561.48 = 112,182.06 : x
  2. Step 2: Convert to fraction form
    198,223.20/273,561.48 = 112,182.06/x
  3. Step 3: Cross multiply
    198,223.20x = 273,561.48 × 112,182.06
  4. Step 4: Simplify right side
    198,223.20x = 30,688,690,363.05
  5. Step 5: Solve for x
    x = 30,688,690,363.05/198,223.20
  6. Step 6: Final answer
    x = 154,818.86

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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.