Home / 194,460.75-291,740.33-54,219.38

Finding the Fourth Proportional to 194,460.75, 291,740.33 and 54,219.38

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Solution

The fourth proportional to 194,460.75, 291,740.33 and 54,219.38 is: 81,342.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,460.75 : 291,740.33 = 54,219.38 : x
  2. Step 2: Convert to fraction form
    194,460.75/291,740.33 = 54,219.38/x
  3. Step 3: Cross multiply
    194,460.75x = 291,740.33 × 54,219.38
  4. Step 4: Simplify right side
    194,460.75x = 15,817,978,490.44
  5. Step 5: Solve for x
    x = 15,817,978,490.44/194,460.75
  6. Step 6: Final answer
    x = 81,342.78

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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.