Home / 220,635.28-304,582.44-135,825.04

Finding the Fourth Proportional to 220,635.28, 304,582.44 and 135,825.04

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Solution

The fourth proportional to 220,635.28, 304,582.44 and 135,825.04 is: 187,503.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,635.28 : 304,582.44 = 135,825.04 : x
  2. Step 2: Convert to fraction form
    220,635.28/304,582.44 = 135,825.04/x
  3. Step 3: Cross multiply
    220,635.28x = 304,582.44 × 135,825.04
  4. Step 4: Simplify right side
    220,635.28x = 41,369,922,096.30
  5. Step 5: Solve for x
    x = 41,369,922,096.30/220,635.28
  6. Step 6: Final answer
    x = 187,503.66

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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.