Home / 149,028.14-223,487.52-49,158.78

Finding the Fourth Proportional to 149,028.14, 223,487.52 and 49,158.78

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Solution

The fourth proportional to 149,028.14, 223,487.52 and 49,158.78 is: 73,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,028.14 : 223,487.52 = 49,158.78 : x
  2. Step 2: Convert to fraction form
    149,028.14/223,487.52 = 49,158.78/x
  3. Step 3: Cross multiply
    149,028.14x = 223,487.52 × 49,158.78
  4. Step 4: Simplify right side
    149,028.14x = 10,986,373,828.43
  5. Step 5: Solve for x
    x = 10,986,373,828.43/149,028.14
  6. Step 6: Final answer
    x = 73,720.13

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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.