Home / 238,924.30-329,677.76-136,930.12

Finding the Fourth Proportional to 238,924.30, 329,677.76 and 136,930.12

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Solution

The fourth proportional to 238,924.30, 329,677.76 and 136,930.12 is: 188,941.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,924.30 : 329,677.76 = 136,930.12 : x
  2. Step 2: Convert to fraction form
    238,924.30/329,677.76 = 136,930.12/x
  3. Step 3: Cross multiply
    238,924.30x = 329,677.76 × 136,930.12
  4. Step 4: Simplify right side
    238,924.30x = 45,142,815,238.13
  5. Step 5: Solve for x
    x = 45,142,815,238.13/238,924.30
  6. Step 6: Final answer
    x = 188,941.92

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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.