Home / 164,831.55-227,466.39-89,380.05

Finding the Fourth Proportional to 164,831.55, 227,466.39 and 89,380.05

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Solution

The fourth proportional to 164,831.55, 227,466.39 and 89,380.05 is: 123,343.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,831.55 : 227,466.39 = 89,380.05 : x
  2. Step 2: Convert to fraction form
    164,831.55/227,466.39 = 89,380.05/x
  3. Step 3: Cross multiply
    164,831.55x = 227,466.39 × 89,380.05
  4. Step 4: Simplify right side
    164,831.55x = 20,330,957,311.52
  5. Step 5: Solve for x
    x = 20,330,957,311.52/164,831.55
  6. Step 6: Final answer
    x = 123,343.85

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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.