Home / 127,831.43-176,408.28-73,369.26

Finding the Fourth Proportional to 127,831.43, 176,408.28 and 73,369.26

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Solution

The fourth proportional to 127,831.43, 176,408.28 and 73,369.26 is: 101,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,831.43 : 176,408.28 = 73,369.26 : x
  2. Step 2: Convert to fraction form
    127,831.43/176,408.28 = 73,369.26/x
  3. Step 3: Cross multiply
    127,831.43x = 176,408.28 × 73,369.26
  4. Step 4: Simplify right side
    127,831.43x = 12,942,944,961.47
  5. Step 5: Solve for x
    x = 12,942,944,961.47/127,831.43
  6. Step 6: Final answer
    x = 101,250.10

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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.