Home / 121,541.32-182,310.45-41,578.48

Finding the Fourth Proportional to 121,541.32, 182,310.45 and 41,578.48

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Solution

The fourth proportional to 121,541.32, 182,310.45 and 41,578.48 is: 62,367.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,541.32 : 182,310.45 = 41,578.48 : x
  2. Step 2: Convert to fraction form
    121,541.32/182,310.45 = 41,578.48/x
  3. Step 3: Cross multiply
    121,541.32x = 182,310.45 × 41,578.48
  4. Step 4: Simplify right side
    121,541.32x = 7,580,191,399.12
  5. Step 5: Solve for x
    x = 7,580,191,399.12/121,541.32
  6. Step 6: Final answer
    x = 62,367.20

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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.