Home / 102,838.62-154,230.26-36,270.11

Finding the Fourth Proportional to 102,838.62, 154,230.26 and 36,270.11

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Solution

The fourth proportional to 102,838.62, 154,230.26 and 36,270.11 is: 54,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,838.62 : 154,230.26 = 36,270.11 : x
  2. Step 2: Convert to fraction form
    102,838.62/154,230.26 = 36,270.11/x
  3. Step 3: Cross multiply
    102,838.62x = 154,230.26 × 36,270.11
  4. Step 4: Simplify right side
    102,838.62x = 5,593,948,699.75
  5. Step 5: Solve for x
    x = 5,593,948,699.75/102,838.62
  6. Step 6: Final answer
    x = 54,395.41

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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.