Home / 119,831.88-165,367.26-66,116.64

Finding the Fourth Proportional to 119,831.88, 165,367.26 and 66,116.64

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Solution

The fourth proportional to 119,831.88, 165,367.26 and 66,116.64 is: 91,240.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,831.88 : 165,367.26 = 66,116.64 : x
  2. Step 2: Convert to fraction form
    119,831.88/165,367.26 = 66,116.64/x
  3. Step 3: Cross multiply
    119,831.88x = 165,367.26 × 66,116.64
  4. Step 4: Simplify right side
    119,831.88x = 10,933,527,597.21
  5. Step 5: Solve for x
    x = 10,933,527,597.21/119,831.88
  6. Step 6: Final answer
    x = 91,240.56

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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.