Home / 129,831.60-194,719.32-41,092.32

Finding the Fourth Proportional to 129,831.60, 194,719.32 and 41,092.32

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Solution

The fourth proportional to 129,831.60, 194,719.32 and 41,092.32 is: 61,629.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,831.60 : 194,719.32 = 41,092.32 : x
  2. Step 2: Convert to fraction form
    129,831.60/194,719.32 = 41,092.32/x
  3. Step 3: Cross multiply
    129,831.60x = 194,719.32 × 41,092.32
  4. Step 4: Simplify right side
    129,831.60x = 8,001,468,607.62
  5. Step 5: Solve for x
    x = 8,001,468,607.62/129,831.60
  6. Step 6: Final answer
    x = 61,629.59

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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.