Home / 238,638.58-329,278.40-135,273.12

Finding the Fourth Proportional to 238,638.58, 329,278.40 and 135,273.12

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Solution

The fourth proportional to 238,638.58, 329,278.40 and 135,273.12 is: 186,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,638.58 : 329,278.40 = 135,273.12 : x
  2. Step 2: Convert to fraction form
    238,638.58/329,278.40 = 135,273.12/x
  3. Step 3: Cross multiply
    238,638.58x = 329,278.40 × 135,273.12
  4. Step 4: Simplify right side
    238,638.58x = 44,542,516,516.61
  5. Step 5: Solve for x
    x = 44,542,516,516.61/238,638.58
  6. Step 6: Final answer
    x = 186,652.62

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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.