Home / 205,170.50-283,265.30-140,747.69

Finding the Fourth Proportional to 205,170.50, 283,265.30 and 140,747.69

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Solution

The fourth proportional to 205,170.50, 283,265.30 and 140,747.69 is: 194,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,170.50 : 283,265.30 = 140,747.69 : x
  2. Step 2: Convert to fraction form
    205,170.50/283,265.30 = 140,747.69/x
  3. Step 3: Cross multiply
    205,170.50x = 283,265.30 × 140,747.69
  4. Step 4: Simplify right side
    205,170.50x = 39,868,937,692.19
  5. Step 5: Solve for x
    x = 39,868,937,692.19/205,170.50
  6. Step 6: Final answer
    x = 194,321.00

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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.