Home / 206,727.18-285,286.50-116,102.76

Finding the Fourth Proportional to 206,727.18, 285,286.50 and 116,102.76

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Solution

The fourth proportional to 206,727.18, 285,286.50 and 116,102.76 is: 160,223.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,727.18 : 285,286.50 = 116,102.76 : x
  2. Step 2: Convert to fraction form
    206,727.18/285,286.50 = 116,102.76/x
  3. Step 3: Cross multiply
    206,727.18x = 285,286.50 × 116,102.76
  4. Step 4: Simplify right side
    206,727.18x = 33,122,550,040.74
  5. Step 5: Solve for x
    x = 33,122,550,040.74/206,727.18
  6. Step 6: Final answer
    x = 160,223.49

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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.