Home / 231,816.28-347,724.42-126,577.84

Finding the Fourth Proportional to 231,816.28, 347,724.42 and 126,577.84

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Solution

The fourth proportional to 231,816.28, 347,724.42 and 126,577.84 is: 189,866.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,816.28 : 347,724.42 = 126,577.84 : x
  2. Step 2: Convert to fraction form
    231,816.28/347,724.42 = 126,577.84/x
  3. Step 3: Cross multiply
    231,816.28x = 347,724.42 × 126,577.84
  4. Step 4: Simplify right side
    231,816.28x = 44,014,205,998.85
  5. Step 5: Solve for x
    x = 44,014,205,998.85/231,816.28
  6. Step 6: Final answer
    x = 189,866.76

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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.