Home / 205,554.10-308,331.15-194,149.30

Finding the Fourth Proportional to 205,554.10, 308,331.15 and 194,149.30

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Solution

The fourth proportional to 205,554.10, 308,331.15 and 194,149.30 is: 291,223.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,554.10 : 308,331.15 = 194,149.30 : x
  2. Step 2: Convert to fraction form
    205,554.10/308,331.15 = 194,149.30/x
  3. Step 3: Cross multiply
    205,554.10x = 308,331.15 × 194,149.30
  4. Step 4: Simplify right side
    205,554.10x = 59,862,276,940.70
  5. Step 5: Solve for x
    x = 59,862,276,940.70/205,554.10
  6. Step 6: Final answer
    x = 291,223.95

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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.