Home / 149,758.20-224,729.64-69,782.04

Finding the Fourth Proportional to 149,758.20, 224,729.64 and 69,782.04

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Solution

The fourth proportional to 149,758.20, 224,729.64 and 69,782.04 is: 104,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,758.20 : 224,729.64 = 69,782.04 : x
  2. Step 2: Convert to fraction form
    149,758.20/224,729.64 = 69,782.04/x
  3. Step 3: Cross multiply
    149,758.20x = 224,729.64 × 69,782.04
  4. Step 4: Simplify right side
    149,758.20x = 15,682,092,727.67
  5. Step 5: Solve for x
    x = 15,682,092,727.67/149,758.20
  6. Step 6: Final answer
    x = 104,716.09

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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.