Home / 225,660.74-338,075.92-141,405.20

Finding the Fourth Proportional to 225,660.74, 338,075.92 and 141,405.20

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Solution

The fourth proportional to 225,660.74, 338,075.92 and 141,405.20 is: 211,847.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,660.74 : 338,075.92 = 141,405.20 : x
  2. Step 2: Convert to fraction form
    225,660.74/338,075.92 = 141,405.20/x
  3. Step 3: Cross multiply
    225,660.74x = 338,075.92 × 141,405.20
  4. Step 4: Simplify right side
    225,660.74x = 47,805,693,082.78
  5. Step 5: Solve for x
    x = 47,805,693,082.78/225,660.74
  6. Step 6: Final answer
    x = 211,847.63

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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.