Home / 251,610.40-377,464.20-74,123.20

Finding the Fourth Proportional to 251,610.40, 377,464.20 and 74,123.20

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Solution

The fourth proportional to 251,610.40, 377,464.20 and 74,123.20 is: 111,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,610.40 : 377,464.20 = 74,123.20 : x
  2. Step 2: Convert to fraction form
    251,610.40/377,464.20 = 74,123.20/x
  3. Step 3: Cross multiply
    251,610.40x = 377,464.20 × 74,123.20
  4. Step 4: Simplify right side
    251,610.40x = 27,978,854,389.44
  5. Step 5: Solve for x
    x = 27,978,854,389.44/251,610.40
  6. Step 6: Final answer
    x = 111,199.12

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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.