Home / 320,133.43-480,200.16-109,773.19

Finding the Fourth Proportional to 320,133.43, 480,200.16 and 109,773.19

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Solution

The fourth proportional to 320,133.43, 480,200.16 and 109,773.19 is: 164,659.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,133.43 : 480,200.16 = 109,773.19 : x
  2. Step 2: Convert to fraction form
    320,133.43/480,200.16 = 109,773.19/x
  3. Step 3: Cross multiply
    320,133.43x = 480,200.16 × 109,773.19
  4. Step 4: Simplify right side
    320,133.43x = 52,713,103,401.71
  5. Step 5: Solve for x
    x = 52,713,103,401.71/320,133.43
  6. Step 6: Final answer
    x = 164,659.79

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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.