Home / 203,301.14-280,557.22-112,658.62

Finding the Fourth Proportional to 203,301.14, 280,557.22 and 112,658.62

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Solution

The fourth proportional to 203,301.14, 280,557.22 and 112,658.62 is: 155,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,301.14 : 280,557.22 = 112,658.62 : x
  2. Step 2: Convert to fraction form
    203,301.14/280,557.22 = 112,658.62/x
  3. Step 3: Cross multiply
    203,301.14x = 280,557.22 × 112,658.62
  4. Step 4: Simplify right side
    203,301.14x = 31,607,187,833.45
  5. Step 5: Solve for x
    x = 31,607,187,833.45/203,301.14
  6. Step 6: Final answer
    x = 155,469.81

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1.5x scale

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.