Home / 230,877.11-346,350.30-81,091.00

Finding the Fourth Proportional to 230,877.11, 346,350.30 and 81,091.00

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Solution

The fourth proportional to 230,877.11, 346,350.30 and 81,091.00 is: 121,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,877.11 : 346,350.30 = 81,091.00 : x
  2. Step 2: Convert to fraction form
    230,877.11/346,350.30 = 81,091.00/x
  3. Step 3: Cross multiply
    230,877.11x = 346,350.30 × 81,091.00
  4. Step 4: Simplify right side
    230,877.11x = 28,085,892,306.15
  5. Step 5: Solve for x
    x = 28,085,892,306.15/230,877.11
  6. Step 6: Final answer
    x = 121,648.66

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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.