Home / 204,834.38-282,688.25-112,971.65

Finding the Fourth Proportional to 204,834.38, 282,688.25 and 112,971.65

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Solution

The fourth proportional to 204,834.38, 282,688.25 and 112,971.65 is: 155,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,834.38 : 282,688.25 = 112,971.65 : x
  2. Step 2: Convert to fraction form
    204,834.38/282,688.25 = 112,971.65/x
  3. Step 3: Cross multiply
    204,834.38x = 282,688.25 × 112,971.65
  4. Step 4: Simplify right side
    204,834.38x = 31,935,756,059.81
  5. Step 5: Solve for x
    x = 31,935,756,059.81/204,834.38
  6. Step 6: Final answer
    x = 155,910.14

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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.