Home / 233,420.20-349,352.70-205,426.60

Finding the Fourth Proportional to 233,420.20, 349,352.70 and 205,426.60

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Solution

The fourth proportional to 233,420.20, 349,352.70 and 205,426.60 is: 307,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,420.20 : 349,352.70 = 205,426.60 : x
  2. Step 2: Convert to fraction form
    233,420.20/349,352.70 = 205,426.60/x
  3. Step 3: Cross multiply
    233,420.20x = 349,352.70 × 205,426.60
  4. Step 4: Simplify right side
    233,420.20x = 71,766,337,361.82
  5. Step 5: Solve for x
    x = 71,766,337,361.82/233,420.20
  6. Step 6: Final answer
    x = 307,455.56

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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.