Home / 204,487.40-282,185.70-115,046.12

Finding the Fourth Proportional to 204,487.40, 282,185.70 and 115,046.12

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Solution

The fourth proportional to 204,487.40, 282,185.70 and 115,046.12 is: 158,759.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,487.40 : 282,185.70 = 115,046.12 : x
  2. Step 2: Convert to fraction form
    204,487.40/282,185.70 = 115,046.12/x
  3. Step 3: Cross multiply
    204,487.40x = 282,185.70 × 115,046.12
  4. Step 4: Simplify right side
    204,487.40x = 32,464,369,904.48
  5. Step 5: Solve for x
    x = 32,464,369,904.48/204,487.40
  6. Step 6: Final answer
    x = 158,759.76

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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.