Home / 107,332.68-148,067.64-75,519.12

Finding the Fourth Proportional to 107,332.68, 148,067.64 and 75,519.12

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Solution

The fourth proportional to 107,332.68, 148,067.64 and 75,519.12 is: 104,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,332.68 : 148,067.64 = 75,519.12 : x
  2. Step 2: Convert to fraction form
    107,332.68/148,067.64 = 75,519.12/x
  3. Step 3: Cross multiply
    107,332.68x = 148,067.64 × 75,519.12
  4. Step 4: Simplify right side
    107,332.68x = 11,181,937,873.28
  5. Step 5: Solve for x
    x = 11,181,937,873.28/107,332.68
  6. Step 6: Final answer
    x = 104,180.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.