Home / 194,422.34-291,623.79-76,115.36

Finding the Fourth Proportional to 194,422.34, 291,623.79 and 76,115.36

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Solution

The fourth proportional to 194,422.34, 291,623.79 and 76,115.36 is: 114,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,422.34 : 291,623.79 = 76,115.36 : x
  2. Step 2: Convert to fraction form
    194,422.34/291,623.79 = 76,115.36/x
  3. Step 3: Cross multiply
    194,422.34x = 291,623.79 × 76,115.36
  4. Step 4: Simplify right side
    194,422.34x = 22,197,049,760.41
  5. Step 5: Solve for x
    x = 22,197,049,760.41/194,422.34
  6. Step 6: Final answer
    x = 114,169.23

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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.