Home / 204,831.30-306,728.55-163,359.30

Finding the Fourth Proportional to 204,831.30, 306,728.55 and 163,359.30

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Solution

The fourth proportional to 204,831.30, 306,728.55 and 163,359.30 is: 244,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,831.30 : 306,728.55 = 163,359.30 : x
  2. Step 2: Convert to fraction form
    204,831.30/306,728.55 = 163,359.30/x
  3. Step 3: Cross multiply
    204,831.30x = 306,728.55 × 163,359.30
  4. Step 4: Simplify right side
    204,831.30x = 50,106,961,218.02
  5. Step 5: Solve for x
    x = 50,106,961,218.02/204,831.30
  6. Step 6: Final answer
    x = 244,625.51

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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.