Home / 150,831.30-208,149.71-82,851.14

Finding the Fourth Proportional to 150,831.30, 208,149.71 and 82,851.14

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Solution

The fourth proportional to 150,831.30, 208,149.71 and 82,851.14 is: 114,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,831.30 : 208,149.71 = 82,851.14 : x
  2. Step 2: Convert to fraction form
    150,831.30/208,149.71 = 82,851.14/x
  3. Step 3: Cross multiply
    150,831.30x = 208,149.71 × 82,851.14
  4. Step 4: Simplify right side
    150,831.30x = 17,245,440,764.17
  5. Step 5: Solve for x
    x = 17,245,440,764.17/150,831.30
  6. Step 6: Final answer
    x = 114,335.96

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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.