Home / 220,634.28-304,581.06-135,824.04

Finding the Fourth Proportional to 220,634.28, 304,581.06 and 135,824.04

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Solution

The fourth proportional to 220,634.28, 304,581.06 and 135,824.04 is: 187,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,634.28 : 304,581.06 = 135,824.04 : x
  2. Step 2: Convert to fraction form
    220,634.28/304,581.06 = 135,824.04/x
  3. Step 3: Cross multiply
    220,634.28x = 304,581.06 × 135,824.04
  4. Step 4: Simplify right side
    220,634.28x = 41,369,430,076.68
  5. Step 5: Solve for x
    x = 41,369,430,076.68/220,634.28
  6. Step 6: Final answer
    x = 187,502.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.