Home / 167,599.60-231,288.76-91,118.64

Finding the Fourth Proportional to 167,599.60, 231,288.76 and 91,118.64

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Solution

The fourth proportional to 167,599.60, 231,288.76 and 91,118.64 is: 125,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,599.60 : 231,288.76 = 91,118.64 : x
  2. Step 2: Convert to fraction form
    167,599.60/231,288.76 = 91,118.64/x
  3. Step 3: Cross multiply
    167,599.60x = 231,288.76 × 91,118.64
  4. Step 4: Simplify right side
    167,599.60x = 21,074,717,258.49
  5. Step 5: Solve for x
    x = 21,074,717,258.49/167,599.60
  6. Step 6: Final answer
    x = 125,744.44

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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.