Home / 194,487.30-291,614.28-76,017.54

Finding the Fourth Proportional to 194,487.30, 291,614.28 and 76,017.54

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Solution

The fourth proportional to 194,487.30, 291,614.28 and 76,017.54 is: 113,980.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,487.30 : 291,614.28 = 76,017.54 : x
  2. Step 2: Convert to fraction form
    194,487.30/291,614.28 = 76,017.54/x
  3. Step 3: Cross multiply
    194,487.30x = 291,614.28 × 76,017.54
  4. Step 4: Simplify right side
    194,487.30x = 22,167,800,194.47
  5. Step 5: Solve for x
    x = 22,167,800,194.47/194,487.30
  6. Step 6: Final answer
    x = 113,980.71

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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.