Home / 238,892.18-329,684.82-136,934.60

Finding the Fourth Proportional to 238,892.18, 329,684.82 and 136,934.60

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Solution

The fourth proportional to 238,892.18, 329,684.82 and 136,934.60 is: 188,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,892.18 : 329,684.82 = 136,934.60 : x
  2. Step 2: Convert to fraction form
    238,892.18/329,684.82 = 136,934.60/x
  3. Step 3: Cross multiply
    238,892.18x = 329,684.82 × 136,934.60
  4. Step 4: Simplify right side
    238,892.18x = 45,145,258,952.77
  5. Step 5: Solve for x
    x = 45,145,258,952.77/238,892.18
  6. Step 6: Final answer
    x = 188,977.55

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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.