Home / 149,221.15-223,531.92-74,114.10

Finding the Fourth Proportional to 149,221.15, 223,531.92 and 74,114.10

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Solution

The fourth proportional to 149,221.15, 223,531.92 and 74,114.10 is: 111,022.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,221.15 : 223,531.92 = 74,114.10 : x
  2. Step 2: Convert to fraction form
    149,221.15/223,531.92 = 74,114.10/x
  3. Step 3: Cross multiply
    149,221.15x = 223,531.92 × 74,114.10
  4. Step 4: Simplify right side
    149,221.15x = 16,566,867,072.07
  5. Step 5: Solve for x
    x = 16,566,867,072.07/149,221.15
  6. Step 6: Final answer
    x = 111,022.25

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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.