Home / 329,215.17-493,823.39-126,906.54

Finding the Fourth Proportional to 329,215.17, 493,823.39 and 126,906.54

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Solution

The fourth proportional to 329,215.17, 493,823.39 and 126,906.54 is: 190,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,215.17 : 493,823.39 = 126,906.54 : x
  2. Step 2: Convert to fraction form
    329,215.17/493,823.39 = 126,906.54/x
  3. Step 3: Cross multiply
    329,215.17x = 493,823.39 × 126,906.54
  4. Step 4: Simplify right side
    329,215.17x = 62,669,417,795.97
  5. Step 5: Solve for x
    x = 62,669,417,795.97/329,215.17
  6. Step 6: Final answer
    x = 190,360.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.