Home / 203,935.52-305,834.04-77,545.28

Finding the Fourth Proportional to 203,935.52, 305,834.04 and 77,545.28

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Solution

The fourth proportional to 203,935.52, 305,834.04 and 77,545.28 is: 116,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,935.52 : 305,834.04 = 77,545.28 : x
  2. Step 2: Convert to fraction form
    203,935.52/305,834.04 = 77,545.28/x
  3. Step 3: Cross multiply
    203,935.52x = 305,834.04 × 77,545.28
  4. Step 4: Simplify right side
    203,935.52x = 23,715,986,265.33
  5. Step 5: Solve for x
    x = 23,715,986,265.33/203,935.52
  6. Step 6: Final answer
    x = 116,291.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.