Home / 117,964.20-176,831.10-105,522.60

Finding the Fourth Proportional to 117,964.20, 176,831.10 and 105,522.60

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Solution

The fourth proportional to 117,964.20, 176,831.10 and 105,522.60 is: 158,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,964.20 : 176,831.10 = 105,522.60 : x
  2. Step 2: Convert to fraction form
    117,964.20/176,831.10 = 105,522.60/x
  3. Step 3: Cross multiply
    117,964.20x = 176,831.10 × 105,522.60
  4. Step 4: Simplify right side
    117,964.20x = 18,659,677,432.86
  5. Step 5: Solve for x
    x = 18,659,677,432.86/117,964.20
  6. Step 6: Final answer
    x = 158,180.85

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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.