Home / 202,940.13-304,412.24-90,626.04

Finding the Fourth Proportional to 202,940.13, 304,412.24 and 90,626.04

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Solution

The fourth proportional to 202,940.13, 304,412.24 and 90,626.04 is: 135,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,940.13 : 304,412.24 = 90,626.04 : x
  2. Step 2: Convert to fraction form
    202,940.13/304,412.24 = 90,626.04/x
  3. Step 3: Cross multiply
    202,940.13x = 304,412.24 × 90,626.04
  4. Step 4: Simplify right side
    202,940.13x = 27,587,676,065.29
  5. Step 5: Solve for x
    x = 27,587,676,065.29/202,940.13
  6. Step 6: Final answer
    x = 135,939.97

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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.