Home / 206,736.39-310,126.02-56,976.70

Finding the Fourth Proportional to 206,736.39, 310,126.02 and 56,976.70

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Solution

The fourth proportional to 206,736.39, 310,126.02 and 56,976.70 is: 85,470.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,736.39 : 310,126.02 = 56,976.70 : x
  2. Step 2: Convert to fraction form
    206,736.39/310,126.02 = 56,976.70/x
  3. Step 3: Cross multiply
    206,736.39x = 310,126.02 × 56,976.70
  4. Step 4: Simplify right side
    206,736.39x = 17,669,957,203.73
  5. Step 5: Solve for x
    x = 17,669,957,203.73/206,736.39
  6. Step 6: Final answer
    x = 85,470.96

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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.