Home / 225,837.28-338,756.52-76,182.69

Finding the Fourth Proportional to 225,837.28, 338,756.52 and 76,182.69

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Solution

The fourth proportional to 225,837.28, 338,756.52 and 76,182.69 is: 114,274.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,837.28 : 338,756.52 = 76,182.69 : x
  2. Step 2: Convert to fraction form
    225,837.28/338,756.52 = 76,182.69/x
  3. Step 3: Cross multiply
    225,837.28x = 338,756.52 × 76,182.69
  4. Step 4: Simplify right side
    225,837.28x = 25,807,382,948.64
  5. Step 5: Solve for x
    x = 25,807,382,948.64/225,837.28
  6. Step 6: Final answer
    x = 114,274.24

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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.