Home / 167,785.60-231,539.88-91,301.44

Finding the Fourth Proportional to 167,785.60, 231,539.88 and 91,301.44

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Solution

The fourth proportional to 167,785.60, 231,539.88 and 91,301.44 is: 125,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,785.60 : 231,539.88 = 91,301.44 : x
  2. Step 2: Convert to fraction form
    167,785.60/231,539.88 = 91,301.44/x
  3. Step 3: Cross multiply
    167,785.60x = 231,539.88 × 91,301.44
  4. Step 4: Simplify right side
    167,785.60x = 21,139,924,461.43
  5. Step 5: Solve for x
    x = 21,139,924,461.43/167,785.60
  6. Step 6: Final answer
    x = 125,993.68

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1.5x scale

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.