Home / 238,738.14-329,460.30-129,842.46

Finding the Fourth Proportional to 238,738.14, 329,460.30 and 129,842.46

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Solution

The fourth proportional to 238,738.14, 329,460.30 and 129,842.46 is: 179,183.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,738.14 : 329,460.30 = 129,842.46 : x
  2. Step 2: Convert to fraction form
    238,738.14/329,460.30 = 129,842.46/x
  3. Step 3: Cross multiply
    238,738.14x = 329,460.30 × 129,842.46
  4. Step 4: Simplify right side
    238,738.14x = 42,777,935,824.34
  5. Step 5: Solve for x
    x = 42,777,935,824.34/238,738.14
  6. Step 6: Final answer
    x = 179,183.50

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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.