Home / 136,091.80-204,089.10-47,348.20

Finding the Fourth Proportional to 136,091.80, 204,089.10 and 47,348.20

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Solution

The fourth proportional to 136,091.80, 204,089.10 and 47,348.20 is: 71,005.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,091.80 : 204,089.10 = 47,348.20 : x
  2. Step 2: Convert to fraction form
    136,091.80/204,089.10 = 47,348.20/x
  3. Step 3: Cross multiply
    136,091.80x = 204,089.10 × 47,348.20
  4. Step 4: Simplify right side
    136,091.80x = 9,663,251,524.62
  5. Step 5: Solve for x
    x = 9,663,251,524.62/136,091.80
  6. Step 6: Final answer
    x = 71,005.39

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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.