Home / 220,831.66-331,247.60-71,071.93

Finding the Fourth Proportional to 220,831.66, 331,247.60 and 71,071.93

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Solution

The fourth proportional to 220,831.66, 331,247.60 and 71,071.93 is: 106,607.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,831.66 : 331,247.60 = 71,071.93 : x
  2. Step 2: Convert to fraction form
    220,831.66/331,247.60 = 71,071.93/x
  3. Step 3: Cross multiply
    220,831.66x = 331,247.60 × 71,071.93
  4. Step 4: Simplify right side
    220,831.66x = 23,542,406,239.87
  5. Step 5: Solve for x
    x = 23,542,406,239.87/220,831.66
  6. Step 6: Final answer
    x = 106,607.93

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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.