Home / 356,177.40-533,418-206,101.44

Finding the Fourth Proportional to 356,177.40, 533,418 and 206,101.44

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Solution

The fourth proportional to 356,177.40, 533,418 and 206,101.44 is: 308,661.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,177.40 : 533,418 = 206,101.44 : x
  2. Step 2: Convert to fraction form
    356,177.40/533,418 = 206,101.44/x
  3. Step 3: Cross multiply
    356,177.40x = 533,418 × 206,101.44
  4. Step 4: Simplify right side
    356,177.40x = 109,938,217,921.92
  5. Step 5: Solve for x
    x = 109,938,217,921.92/356,177.40
  6. Step 6: Final answer
    x = 308,661.41

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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.