Home / 194,200.80-291,301.20-61,121.85

Finding the Fourth Proportional to 194,200.80, 291,301.20 and 61,121.85

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Solution

The fourth proportional to 194,200.80, 291,301.20 and 61,121.85 is: 91,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,200.80 : 291,301.20 = 61,121.85 : x
  2. Step 2: Convert to fraction form
    194,200.80/291,301.20 = 61,121.85/x
  3. Step 3: Cross multiply
    194,200.80x = 291,301.20 × 61,121.85
  4. Step 4: Simplify right side
    194,200.80x = 17,804,868,251.22
  5. Step 5: Solve for x
    x = 17,804,868,251.22/194,200.80
  6. Step 6: Final answer
    x = 91,682.78

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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.