Home / 225,837.40-338,064.90-163,629.40

Finding the Fourth Proportional to 225,837.40, 338,064.90 and 163,629.40

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Solution

The fourth proportional to 225,837.40, 338,064.90 and 163,629.40 is: 244,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,837.40 : 338,064.90 = 163,629.40 : x
  2. Step 2: Convert to fraction form
    225,837.40/338,064.90 = 163,629.40/x
  3. Step 3: Cross multiply
    225,837.40x = 338,064.90 × 163,629.40
  4. Step 4: Simplify right side
    225,837.40x = 55,317,356,748.06
  5. Step 5: Solve for x
    x = 55,317,356,748.06/225,837.40
  6. Step 6: Final answer
    x = 244,943.29

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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.