Home / 203,021.28-304,531.92-62,776.80

Finding the Fourth Proportional to 203,021.28, 304,531.92 and 62,776.80

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Solution

The fourth proportional to 203,021.28, 304,531.92 and 62,776.80 is: 94,165.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,021.28 : 304,531.92 = 62,776.80 : x
  2. Step 2: Convert to fraction form
    203,021.28/304,531.92 = 62,776.80/x
  3. Step 3: Cross multiply
    203,021.28x = 304,531.92 × 62,776.80
  4. Step 4: Simplify right side
    203,021.28x = 19,117,539,435.46
  5. Step 5: Solve for x
    x = 19,117,539,435.46/203,021.28
  6. Step 6: Final answer
    x = 94,165.20

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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.