Home / 178,769.54-246,640.85-102,260.76

Finding the Fourth Proportional to 178,769.54, 246,640.85 and 102,260.76

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Solution

The fourth proportional to 178,769.54, 246,640.85 and 102,260.76 is: 141,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,769.54 : 246,640.85 = 102,260.76 : x
  2. Step 2: Convert to fraction form
    178,769.54/246,640.85 = 102,260.76/x
  3. Step 3: Cross multiply
    178,769.54x = 246,640.85 × 102,260.76
  4. Step 4: Simplify right side
    178,769.54x = 25,221,679,023.54
  5. Step 5: Solve for x
    x = 25,221,679,023.54/178,769.54
  6. Step 6: Final answer
    x = 141,084.88

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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.