Home / 167,831.10-251,747.28-67,993.20

Finding the Fourth Proportional to 167,831.10, 251,747.28 and 67,993.20

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Solution

The fourth proportional to 167,831.10, 251,747.28 and 67,993.20 is: 101,990.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,831.10 : 251,747.28 = 67,993.20 : x
  2. Step 2: Convert to fraction form
    167,831.10/251,747.28 = 67,993.20/x
  3. Step 3: Cross multiply
    167,831.10x = 251,747.28 × 67,993.20
  4. Step 4: Simplify right side
    167,831.10x = 17,117,103,158.50
  5. Step 5: Solve for x
    x = 17,117,103,158.50/167,831.10
  6. Step 6: Final answer
    x = 101,990.06

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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.