Home / 102,105.18-153,165.05-27,224.93

Finding the Fourth Proportional to 102,105.18, 153,165.05 and 27,224.93

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Solution

The fourth proportional to 102,105.18, 153,165.05 and 27,224.93 is: 40,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,105.18 : 153,165.05 = 27,224.93 : x
  2. Step 2: Convert to fraction form
    102,105.18/153,165.05 = 27,224.93/x
  3. Step 3: Cross multiply
    102,105.18x = 153,165.05 × 27,224.93
  4. Step 4: Simplify right side
    102,105.18x = 4,169,906,862.75
  5. Step 5: Solve for x
    x = 4,169,906,862.75/102,105.18
  6. Step 6: Final answer
    x = 40,839.33

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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.