Home / 272,764.20-409,146.03-73,079.14

Finding the Fourth Proportional to 272,764.20, 409,146.03 and 73,079.14

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Solution

The fourth proportional to 272,764.20, 409,146.03 and 73,079.14 is: 109,618.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,764.20 : 409,146.03 = 73,079.14 : x
  2. Step 2: Convert to fraction form
    272,764.20/409,146.03 = 73,079.14/x
  3. Step 3: Cross multiply
    272,764.20x = 409,146.03 × 73,079.14
  4. Step 4: Simplify right side
    272,764.20x = 29,900,038,548.99
  5. Step 5: Solve for x
    x = 29,900,038,548.99/272,764.20
  6. Step 6: Final answer
    x = 109,618.63

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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.