Home / 204,429.75-282,115.73-112,559.72

Finding the Fourth Proportional to 204,429.75, 282,115.73 and 112,559.72

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Solution

The fourth proportional to 204,429.75, 282,115.73 and 112,559.72 is: 155,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,429.75 : 282,115.73 = 112,559.72 : x
  2. Step 2: Convert to fraction form
    204,429.75/282,115.73 = 112,559.72/x
  3. Step 3: Cross multiply
    204,429.75x = 282,115.73 × 112,559.72
  4. Step 4: Simplify right side
    204,429.75x = 31,754,867,576.40
  5. Step 5: Solve for x
    x = 31,754,867,576.40/204,429.75
  6. Step 6: Final answer
    x = 155,333.89

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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.