Home / 194,791.04-291,965.08-82,401.12

Finding the Fourth Proportional to 194,791.04, 291,965.08 and 82,401.12

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Solution

The fourth proportional to 194,791.04, 291,965.08 and 82,401.12 is: 123,507.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,791.04 : 291,965.08 = 82,401.12 : x
  2. Step 2: Convert to fraction form
    194,791.04/291,965.08 = 82,401.12/x
  3. Step 3: Cross multiply
    194,791.04x = 291,965.08 × 82,401.12
  4. Step 4: Simplify right side
    194,791.04x = 24,058,249,592.89
  5. Step 5: Solve for x
    x = 24,058,249,592.89/194,791.04
  6. Step 6: Final answer
    x = 123,507.99

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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.