Home / 204,039.53-281,567.81-112,159.12

Finding the Fourth Proportional to 204,039.53, 281,567.81 and 112,159.12

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Solution

The fourth proportional to 204,039.53, 281,567.81 and 112,159.12 is: 154,775.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,039.53 : 281,567.81 = 112,159.12 : x
  2. Step 2: Convert to fraction form
    204,039.53/281,567.81 = 112,159.12/x
  3. Step 3: Cross multiply
    204,039.53x = 281,567.81 × 112,159.12
  4. Step 4: Simplify right side
    204,039.53x = 31,580,397,789.93
  5. Step 5: Solve for x
    x = 31,580,397,789.93/204,039.53
  6. Step 6: Final answer
    x = 154,775.88

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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.