Home / 327,004.50-490,239.63-169,278.42

Finding the Fourth Proportional to 327,004.50, 490,239.63 and 169,278.42

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Solution

The fourth proportional to 327,004.50, 490,239.63 and 169,278.42 is: 253,779.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,004.50 : 490,239.63 = 169,278.42 : x
  2. Step 2: Convert to fraction form
    327,004.50/490,239.63 = 169,278.42/x
  3. Step 3: Cross multiply
    327,004.50x = 490,239.63 × 169,278.42
  4. Step 4: Simplify right side
    327,004.50x = 82,986,989,987.78
  5. Step 5: Solve for x
    x = 82,986,989,987.78/327,004.50
  6. Step 6: Final answer
    x = 253,779.35

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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.