Home / 338,512.40-467,146.14-187,609.40

Finding the Fourth Proportional to 338,512.40, 467,146.14 and 187,609.40

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Solution

The fourth proportional to 338,512.40, 467,146.14 and 187,609.40 is: 258,900.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,512.40 : 467,146.14 = 187,609.40 : x
  2. Step 2: Convert to fraction form
    338,512.40/467,146.14 = 187,609.40/x
  3. Step 3: Cross multiply
    338,512.40x = 467,146.14 × 187,609.40
  4. Step 4: Simplify right side
    338,512.40x = 87,641,007,037.72
  5. Step 5: Solve for x
    x = 87,641,007,037.72/338,512.40
  6. Step 6: Final answer
    x = 258,900.43

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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.