Home / 243,561.20-336,218.10-148,098.56

Finding the Fourth Proportional to 243,561.20, 336,218.10 and 148,098.56

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Solution

The fourth proportional to 243,561.20, 336,218.10 and 148,098.56 is: 204,439.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,561.20 : 336,218.10 = 148,098.56 : x
  2. Step 2: Convert to fraction form
    243,561.20/336,218.10 = 148,098.56/x
  3. Step 3: Cross multiply
    243,561.20x = 336,218.10 × 148,098.56
  4. Step 4: Simplify right side
    243,561.20x = 49,793,416,455.94
  5. Step 5: Solve for x
    x = 49,793,416,455.94/243,561.20
  6. Step 6: Final answer
    x = 204,439.03

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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.