Home / 204,132.71-306,231.93-71,050.79

Finding the Fourth Proportional to 204,132.71, 306,231.93 and 71,050.79

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Solution

The fourth proportional to 204,132.71, 306,231.93 and 71,050.79 is: 106,587.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,132.71 : 306,231.93 = 71,050.79 : x
  2. Step 2: Convert to fraction form
    204,132.71/306,231.93 = 71,050.79/x
  3. Step 3: Cross multiply
    204,132.71x = 306,231.93 × 71,050.79
  4. Step 4: Simplify right side
    204,132.71x = 21,758,019,018.57
  5. Step 5: Solve for x
    x = 21,758,019,018.57/204,132.71
  6. Step 6: Final answer
    x = 106,587.62

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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.