Home / 194,489.05-291,616.92-76,019.26

Finding the Fourth Proportional to 194,489.05, 291,616.92 and 76,019.26

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Solution

The fourth proportional to 194,489.05, 291,616.92 and 76,019.26 is: 113,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,489.05 : 291,616.92 = 76,019.26 : x
  2. Step 2: Convert to fraction form
    194,489.05/291,616.92 = 76,019.26/x
  3. Step 3: Cross multiply
    194,489.05x = 291,616.92 × 76,019.26
  4. Step 4: Simplify right side
    194,489.05x = 22,168,502,461.88
  5. Step 5: Solve for x
    x = 22,168,502,461.88/194,489.05
  6. Step 6: Final answer
    x = 113,983.29

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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.