Home / 124,067.92-186,151.64-45,187.60

Finding the Fourth Proportional to 124,067.92, 186,151.64 and 45,187.60

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Solution

The fourth proportional to 124,067.92, 186,151.64 and 45,187.60 is: 67,799.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,067.92 : 186,151.64 = 45,187.60 : x
  2. Step 2: Convert to fraction form
    124,067.92/186,151.64 = 45,187.60/x
  3. Step 3: Cross multiply
    124,067.92x = 186,151.64 × 45,187.60
  4. Step 4: Simplify right side
    124,067.92x = 8,411,745,847.66
  5. Step 5: Solve for x
    x = 8,411,745,847.66/124,067.92
  6. Step 6: Final answer
    x = 67,799.52

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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.