Home / 261,628.53-361,047.27-148,451.28

Finding the Fourth Proportional to 261,628.53, 361,047.27 and 148,451.28

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Solution

The fourth proportional to 261,628.53, 361,047.27 and 148,451.28 is: 204,862.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,628.53 : 361,047.27 = 148,451.28 : x
  2. Step 2: Convert to fraction form
    261,628.53/361,047.27 = 148,451.28/x
  3. Step 3: Cross multiply
    261,628.53x = 361,047.27 × 148,451.28
  4. Step 4: Simplify right side
    261,628.53x = 53,597,930,605.66
  5. Step 5: Solve for x
    x = 53,597,930,605.66/261,628.53
  6. Step 6: Final answer
    x = 204,862.71

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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.