Home / 177,816.11-266,578.03-82,999.43

Finding the Fourth Proportional to 177,816.11, 266,578.03 and 82,999.43

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Solution

The fourth proportional to 177,816.11, 266,578.03 and 82,999.43 is: 124,430.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,816.11 : 266,578.03 = 82,999.43 : x
  2. Step 2: Convert to fraction form
    177,816.11/266,578.03 = 82,999.43/x
  3. Step 3: Cross multiply
    177,816.11x = 266,578.03 × 82,999.43
  4. Step 4: Simplify right side
    177,816.11x = 22,125,823,000.13
  5. Step 5: Solve for x
    x = 22,125,823,000.13/177,816.11
  6. Step 6: Final answer
    x = 124,430.93

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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.