Home / 440,821.96-661,295.20-141,232.46

Finding the Fourth Proportional to 440,821.96, 661,295.20 and 141,232.46

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Solution

The fourth proportional to 440,821.96, 661,295.20 and 141,232.46 is: 211,868.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,821.96 : 661,295.20 = 141,232.46 : x
  2. Step 2: Convert to fraction form
    440,821.96/661,295.20 = 141,232.46/x
  3. Step 3: Cross multiply
    440,821.96x = 661,295.20 × 141,232.46
  4. Step 4: Simplify right side
    440,821.96x = 93,396,347,882.19
  5. Step 5: Solve for x
    x = 93,396,347,882.19/440,821.96
  6. Step 6: Final answer
    x = 211,868.64

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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.