Home / 238,848.12-329,613.30-136,877.76

Finding the Fourth Proportional to 238,848.12, 329,613.30 and 136,877.76

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Solution

The fourth proportional to 238,848.12, 329,613.30 and 136,877.76 is: 188,892.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,848.12 : 329,613.30 = 136,877.76 : x
  2. Step 2: Convert to fraction form
    238,848.12/329,613.30 = 136,877.76/x
  3. Step 3: Cross multiply
    238,848.12x = 329,613.30 × 136,877.76
  4. Step 4: Simplify right side
    238,848.12x = 45,116,730,170.21
  5. Step 5: Solve for x
    x = 45,116,730,170.21/238,848.12
  6. Step 6: Final answer
    x = 188,892.97

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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.