Home / 149,021.12-223,531.32-43,839.92

Finding the Fourth Proportional to 149,021.12, 223,531.32 and 43,839.92

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Solution

The fourth proportional to 149,021.12, 223,531.32 and 43,839.92 is: 65,759.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.12 : 223,531.32 = 43,839.92 : x
  2. Step 2: Convert to fraction form
    149,021.12/223,531.32 = 43,839.92/x
  3. Step 3: Cross multiply
    149,021.12x = 223,531.32 × 43,839.92
  4. Step 4: Simplify right side
    149,021.12x = 9,799,595,186.29
  5. Step 5: Solve for x
    x = 9,799,595,186.29/149,021.12
  6. Step 6: Final answer
    x = 65,759.77

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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.