Home / 206,897.12-285,517.92-116,253.44

Finding the Fourth Proportional to 206,897.12, 285,517.92 and 116,253.44

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Solution

The fourth proportional to 206,897.12, 285,517.92 and 116,253.44 is: 160,429.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,897.12 : 285,517.92 = 116,253.44 : x
  2. Step 2: Convert to fraction form
    206,897.12/285,517.92 = 116,253.44/x
  3. Step 3: Cross multiply
    206,897.12x = 285,517.92 × 116,253.44
  4. Step 4: Simplify right side
    206,897.12x = 33,192,440,381.64
  5. Step 5: Solve for x
    x = 33,192,440,381.64/206,897.12
  6. Step 6: Final answer
    x = 160,429.69

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1.5x scale

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.