Home / 178,839.30-246,819.69-107,258.70

Finding the Fourth Proportional to 178,839.30, 246,819.69 and 107,258.70

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Solution

The fourth proportional to 178,839.30, 246,819.69 and 107,258.70 is: 148,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,839.30 : 246,819.69 = 107,258.70 : x
  2. Step 2: Convert to fraction form
    178,839.30/246,819.69 = 107,258.70/x
  3. Step 3: Cross multiply
    178,839.30x = 246,819.69 × 107,258.70
  4. Step 4: Simplify right side
    178,839.30x = 26,473,559,083.80
  5. Step 5: Solve for x
    x = 26,473,559,083.80/178,839.30
  6. Step 6: Final answer
    x = 148,029.87

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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.