Home / 194,487.72-291,731.62-61,378.34

Finding the Fourth Proportional to 194,487.72, 291,731.62 and 61,378.34

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Solution

The fourth proportional to 194,487.72, 291,731.62 and 61,378.34 is: 92,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,487.72 : 291,731.62 = 61,378.34 : x
  2. Step 2: Convert to fraction form
    194,487.72/291,731.62 = 61,378.34/x
  3. Step 3: Cross multiply
    194,487.72x = 291,731.62 × 61,378.34
  4. Step 4: Simplify right side
    194,487.72x = 17,906,002,561.11
  5. Step 5: Solve for x
    x = 17,906,002,561.11/194,487.72
  6. Step 6: Final answer
    x = 92,067.52

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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.