Home / 204,006.40-306,058.20-98,738.80

Finding the Fourth Proportional to 204,006.40, 306,058.20 and 98,738.80

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Solution

The fourth proportional to 204,006.40, 306,058.20 and 98,738.80 is: 148,131.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,006.40 : 306,058.20 = 98,738.80 : x
  2. Step 2: Convert to fraction form
    204,006.40/306,058.20 = 98,738.80/x
  3. Step 3: Cross multiply
    204,006.40x = 306,058.20 × 98,738.80
  4. Step 4: Simplify right side
    204,006.40x = 30,219,819,398.16
  5. Step 5: Solve for x
    x = 30,219,819,398.16/204,006.40
  6. Step 6: Final answer
    x = 148,131.72

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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.