Home / 238,849.06-329,620.78-136,894.20

Finding the Fourth Proportional to 238,849.06, 329,620.78 and 136,894.20

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Solution

The fourth proportional to 238,849.06, 329,620.78 and 136,894.20 is: 188,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,849.06 : 329,620.78 = 136,894.20 : x
  2. Step 2: Convert to fraction form
    238,849.06/329,620.78 = 136,894.20/x
  3. Step 3: Cross multiply
    238,849.06x = 329,620.78 × 136,894.20
  4. Step 4: Simplify right side
    238,849.06x = 45,123,170,648.90
  5. Step 5: Solve for x
    x = 45,123,170,648.90/238,849.06
  6. Step 6: Final answer
    x = 188,919.19

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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.