Home / 194,615.10-291,995.55-76,371.30

Finding the Fourth Proportional to 194,615.10, 291,995.55 and 76,371.30

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Solution

The fourth proportional to 194,615.10, 291,995.55 and 76,371.30 is: 114,585.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.10 : 291,995.55 = 76,371.30 : x
  2. Step 2: Convert to fraction form
    194,615.10/291,995.55 = 76,371.30/x
  3. Step 3: Cross multiply
    194,615.10x = 291,995.55 × 76,371.30
  4. Step 4: Simplify right side
    194,615.10x = 22,300,079,747.72
  5. Step 5: Solve for x
    x = 22,300,079,747.72/194,615.10
  6. Step 6: Final answer
    x = 114,585.56

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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.