Home / 121,427.80-182,147.10-41,464.60

Finding the Fourth Proportional to 121,427.80, 182,147.10 and 41,464.60

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Solution

The fourth proportional to 121,427.80, 182,147.10 and 41,464.60 is: 62,198.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,427.80 : 182,147.10 = 41,464.60 : x
  2. Step 2: Convert to fraction form
    121,427.80/182,147.10 = 41,464.60/x
  3. Step 3: Cross multiply
    121,427.80x = 182,147.10 × 41,464.60
  4. Step 4: Simplify right side
    121,427.80x = 7,552,656,642.66
  5. Step 5: Solve for x
    x = 7,552,656,642.66/121,427.80
  6. Step 6: Final answer
    x = 62,198.74

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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.