Home / 233,406.20-349,331.70-205,412.60

Finding the Fourth Proportional to 233,406.20, 349,331.70 and 205,412.60

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Solution

The fourth proportional to 233,406.20, 349,331.70 and 205,412.60 is: 307,434.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,406.20 : 349,331.70 = 205,412.60 : x
  2. Step 2: Convert to fraction form
    233,406.20/349,331.70 = 205,412.60/x
  3. Step 3: Cross multiply
    233,406.20x = 349,331.70 × 205,412.60
  4. Step 4: Simplify right side
    233,406.20x = 71,757,132,759.42
  5. Step 5: Solve for x
    x = 71,757,132,759.42/233,406.20
  6. Step 6: Final answer
    x = 307,434.56

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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.