Home / 270,828.50-373,743.11-149,969.78

Finding the Fourth Proportional to 270,828.50, 373,743.11 and 149,969.78

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Solution

The fourth proportional to 270,828.50, 373,743.11 and 149,969.78 is: 206,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,828.50 : 373,743.11 = 149,969.78 : x
  2. Step 2: Convert to fraction form
    270,828.50/373,743.11 = 149,969.78/x
  3. Step 3: Cross multiply
    270,828.50x = 373,743.11 × 149,969.78
  4. Step 4: Simplify right side
    270,828.50x = 56,050,171,890.96
  5. Step 5: Solve for x
    x = 56,050,171,890.96/270,828.50
  6. Step 6: Final answer
    x = 206,958.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.