Home / 243,648.20-336,338.16-148,185.56

Finding the Fourth Proportional to 243,648.20, 336,338.16 and 148,185.56

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Solution

The fourth proportional to 243,648.20, 336,338.16 and 148,185.56 is: 204,559.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,648.20 : 336,338.16 = 148,185.56 : x
  2. Step 2: Convert to fraction form
    243,648.20/336,338.16 = 148,185.56/x
  3. Step 3: Cross multiply
    243,648.20x = 336,338.16 × 148,185.56
  4. Step 4: Simplify right side
    243,648.20x = 49,840,458,588.97
  5. Step 5: Solve for x
    x = 49,840,458,588.97/243,648.20
  6. Step 6: Final answer
    x = 204,559.11

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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.