Home / 120,801.24-181,202.00-45,903.78

Finding the Fourth Proportional to 120,801.24, 181,202.00 and 45,903.78

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Solution

The fourth proportional to 120,801.24, 181,202.00 and 45,903.78 is: 68,855.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,801.24 : 181,202.00 = 45,903.78 : x
  2. Step 2: Convert to fraction form
    120,801.24/181,202.00 = 45,903.78/x
  3. Step 3: Cross multiply
    120,801.24x = 181,202.00 × 45,903.78
  4. Step 4: Simplify right side
    120,801.24x = 8,317,856,514.04
  5. Step 5: Solve for x
    x = 8,317,856,514.04/120,801.24
  6. Step 6: Final answer
    x = 68,855.72

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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.