Home / 327,319.04-490,576-169,457.28

Finding the Fourth Proportional to 327,319.04, 490,576 and 169,457.28

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Solution

The fourth proportional to 327,319.04, 490,576 and 169,457.28 is: 253,977.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,319.04 : 490,576 = 169,457.28 : x
  2. Step 2: Convert to fraction form
    327,319.04/490,576 = 169,457.28/x
  3. Step 3: Cross multiply
    327,319.04x = 490,576 × 169,457.28
  4. Step 4: Simplify right side
    327,319.04x = 83,131,674,593.28
  5. Step 5: Solve for x
    x = 83,131,674,593.28/327,319.04
  6. Step 6: Final answer
    x = 253,977.51

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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.