Home / 204,512.23-306,812.33-101,985.43

Finding the Fourth Proportional to 204,512.23, 306,812.33 and 101,985.43

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Solution

The fourth proportional to 204,512.23, 306,812.33 and 101,985.43 is: 153,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,512.23 : 306,812.33 = 101,985.43 : x
  2. Step 2: Convert to fraction form
    204,512.23/306,812.33 = 101,985.43/x
  3. Step 3: Cross multiply
    204,512.23x = 306,812.33 × 101,985.43
  4. Step 4: Simplify right side
    204,512.23x = 31,290,385,360.36
  5. Step 5: Solve for x
    x = 31,290,385,360.36/204,512.23
  6. Step 6: Final answer
    x = 153,000.07

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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.