Home / 293,982.87-440,831.66-172,436.61

Finding the Fourth Proportional to 293,982.87, 440,831.66 and 172,436.61

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Solution

The fourth proportional to 293,982.87, 440,831.66 and 172,436.61 is: 258,571.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,982.87 : 440,831.66 = 172,436.61 : x
  2. Step 2: Convert to fraction form
    293,982.87/440,831.66 = 172,436.61/x
  3. Step 3: Cross multiply
    293,982.87x = 440,831.66 × 172,436.61
  4. Step 4: Simplify right side
    293,982.87x = 76,015,516,168.89
  5. Step 5: Solve for x
    x = 76,015,516,168.89/293,982.87
  6. Step 6: Final answer
    x = 258,571.24

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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.