Home / 279,225.30-418,679.28-190,586.10

Finding the Fourth Proportional to 279,225.30, 418,679.28 and 190,586.10

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Solution

The fourth proportional to 279,225.30, 418,679.28 and 190,586.10 is: 285,770.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,225.30 : 418,679.28 = 190,586.10 : x
  2. Step 2: Convert to fraction form
    279,225.30/418,679.28 = 190,586.10/x
  3. Step 3: Cross multiply
    279,225.30x = 418,679.28 × 190,586.10
  4. Step 4: Simplify right side
    279,225.30x = 79,794,451,126.01
  5. Step 5: Solve for x
    x = 79,794,451,126.01/279,225.30
  6. Step 6: Final answer
    x = 285,770.85

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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.