Home / 204,831.81-282,684.74-112,969.07

Finding the Fourth Proportional to 204,831.81, 282,684.74 and 112,969.07

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Solution

The fourth proportional to 204,831.81, 282,684.74 and 112,969.07 is: 155,906.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,831.81 : 282,684.74 = 112,969.07 : x
  2. Step 2: Convert to fraction form
    204,831.81/282,684.74 = 112,969.07/x
  3. Step 3: Cross multiply
    204,831.81x = 282,684.74 × 112,969.07
  4. Step 4: Simplify right side
    204,831.81x = 31,934,632,180.99
  5. Step 5: Solve for x
    x = 31,934,632,180.99/204,831.81
  6. Step 6: Final answer
    x = 155,906.61

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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.