Home / 194,768.20-292,190.16-74,816.38

Finding the Fourth Proportional to 194,768.20, 292,190.16 and 74,816.38

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Solution

The fourth proportional to 194,768.20, 292,190.16 and 74,816.38 is: 112,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,768.20 : 292,190.16 = 74,816.38 : x
  2. Step 2: Convert to fraction form
    194,768.20/292,190.16 = 74,816.38/x
  3. Step 3: Cross multiply
    194,768.20x = 292,190.16 × 74,816.38
  4. Step 4: Simplify right side
    194,768.20x = 21,860,608,581.87
  5. Step 5: Solve for x
    x = 21,860,608,581.87/194,768.20
  6. Step 6: Final answer
    x = 112,239.11

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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.