Home / 225,916.40-338,694.74-111,984.02

Finding the Fourth Proportional to 225,916.40, 338,694.74 and 111,984.02

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Solution

The fourth proportional to 225,916.40, 338,694.74 and 111,984.02 is: 167,886.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,916.40 : 338,694.74 = 111,984.02 : x
  2. Step 2: Convert to fraction form
    225,916.40/338,694.74 = 111,984.02/x
  3. Step 3: Cross multiply
    225,916.40x = 338,694.74 × 111,984.02
  4. Step 4: Simplify right side
    225,916.40x = 37,928,398,538.05
  5. Step 5: Solve for x
    x = 37,928,398,538.05/225,916.40
  6. Step 6: Final answer
    x = 167,886.88

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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.