Home / 149,119.13-223,694.22-47,891.60

Finding the Fourth Proportional to 149,119.13, 223,694.22 and 47,891.60

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Solution

The fourth proportional to 149,119.13, 223,694.22 and 47,891.60 is: 71,842.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,119.13 : 223,694.22 = 47,891.60 : x
  2. Step 2: Convert to fraction form
    149,119.13/223,694.22 = 47,891.60/x
  3. Step 3: Cross multiply
    149,119.13x = 223,694.22 × 47,891.60
  4. Step 4: Simplify right side
    149,119.13x = 10,713,072,988.08
  5. Step 5: Solve for x
    x = 10,713,072,988.08/149,119.13
  6. Step 6: Final answer
    x = 71,842.38

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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.