Home / 238,819.03-329,558.29-131,386.30

Finding the Fourth Proportional to 238,819.03, 329,558.29 and 131,386.30

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Solution

The fourth proportional to 238,819.03, 329,558.29 and 131,386.30 is: 181,306.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,819.03 : 329,558.29 = 131,386.30 : x
  2. Step 2: Convert to fraction form
    238,819.03/329,558.29 = 131,386.30/x
  3. Step 3: Cross multiply
    238,819.03x = 329,558.29 × 131,386.30
  4. Step 4: Simplify right side
    238,819.03x = 43,299,443,205.07
  5. Step 5: Solve for x
    x = 43,299,443,205.07/238,819.03
  6. Step 6: Final answer
    x = 181,306.51

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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.