Home / 233,215.20-349,563.60-100,072.80

Finding the Fourth Proportional to 233,215.20, 349,563.60 and 100,072.80

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Solution

The fourth proportional to 233,215.20, 349,563.60 and 100,072.80 is: 149,997.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,215.20 : 349,563.60 = 100,072.80 : x
  2. Step 2: Convert to fraction form
    233,215.20/349,563.60 = 100,072.80/x
  3. Step 3: Cross multiply
    233,215.20x = 349,563.60 × 100,072.80
  4. Step 4: Simplify right side
    233,215.20x = 34,981,808,230.08
  5. Step 5: Solve for x
    x = 34,981,808,230.08/233,215.20
  6. Step 6: Final answer
    x = 149,997.98

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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.