Home / 166,887.72-230,296.50-91,434.60

Finding the Fourth Proportional to 166,887.72, 230,296.50 and 91,434.60

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Solution

The fourth proportional to 166,887.72, 230,296.50 and 91,434.60 is: 126,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,887.72 : 230,296.50 = 91,434.60 : x
  2. Step 2: Convert to fraction form
    166,887.72/230,296.50 = 91,434.60/x
  3. Step 3: Cross multiply
    166,887.72x = 230,296.50 × 91,434.60
  4. Step 4: Simplify right side
    166,887.72x = 21,057,068,358.90
  5. Step 5: Solve for x
    x = 21,057,068,358.90/166,887.72
  6. Step 6: Final answer
    x = 126,175.06

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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.