Home / 166,810.22-230,189.30-91,357.10

Finding the Fourth Proportional to 166,810.22, 230,189.30 and 91,357.10

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Solution

The fourth proportional to 166,810.22, 230,189.30 and 91,357.10 is: 126,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,810.22 : 230,189.30 = 91,357.10 : x
  2. Step 2: Convert to fraction form
    166,810.22/230,189.30 = 91,357.10/x
  3. Step 3: Cross multiply
    166,810.22x = 230,189.30 × 91,357.10
  4. Step 4: Simplify right side
    166,810.22x = 21,029,426,899.03
  5. Step 5: Solve for x
    x = 21,029,426,899.03/166,810.22
  6. Step 6: Final answer
    x = 126,067.98

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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.