Home / 352,831.24-486,949.62-201,925

Finding the Fourth Proportional to 352,831.24, 486,949.62 and 201,925

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Solution

The fourth proportional to 352,831.24, 486,949.62 and 201,925 is: 278,680.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,831.24 : 486,949.62 = 201,925 : x
  2. Step 2: Convert to fraction form
    352,831.24/486,949.62 = 201,925/x
  3. Step 3: Cross multiply
    352,831.24x = 486,949.62 × 201,925
  4. Step 4: Simplify right side
    352,831.24x = 98,327,302,018.50
  5. Step 5: Solve for x
    x = 98,327,302,018.50/352,831.24
  6. Step 6: Final answer
    x = 278,680.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.