Home / 96,338.20-144,507.30-78,827.80

Finding the Fourth Proportional to 96,338.20, 144,507.30 and 78,827.80

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Solution

The fourth proportional to 96,338.20, 144,507.30 and 78,827.80 is: 118,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,338.20 : 144,507.30 = 78,827.80 : x
  2. Step 2: Convert to fraction form
    96,338.20/144,507.30 = 78,827.80/x
  3. Step 3: Cross multiply
    96,338.20x = 144,507.30 × 78,827.80
  4. Step 4: Simplify right side
    96,338.20x = 11,391,192,542.94
  5. Step 5: Solve for x
    x = 11,391,192,542.94/96,338.20
  6. Step 6: Final answer
    x = 118,241.70

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1.5x scale

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.