Home / 121,517.88-182,151.72-46,618.08

Finding the Fourth Proportional to 121,517.88, 182,151.72 and 46,618.08

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Solution

The fourth proportional to 121,517.88, 182,151.72 and 46,618.08 is: 69,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,517.88 : 182,151.72 = 46,618.08 : x
  2. Step 2: Convert to fraction form
    121,517.88/182,151.72 = 46,618.08/x
  3. Step 3: Cross multiply
    121,517.88x = 182,151.72 × 46,618.08
  4. Step 4: Simplify right side
    121,517.88x = 8,491,563,455.10
  5. Step 5: Solve for x
    x = 8,491,563,455.10/121,517.88
  6. Step 6: Final answer
    x = 69,879.13

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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.