Home / 166,524.12-229,805.10-91,071

Finding the Fourth Proportional to 166,524.12, 229,805.10 and 91,071

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Solution

The fourth proportional to 166,524.12, 229,805.10 and 91,071 is: 125,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,524.12 : 229,805.10 = 91,071 : x
  2. Step 2: Convert to fraction form
    166,524.12/229,805.10 = 91,071/x
  3. Step 3: Cross multiply
    166,524.12x = 229,805.10 × 91,071
  4. Step 4: Simplify right side
    166,524.12x = 20,928,580,262.10
  5. Step 5: Solve for x
    x = 20,928,580,262.10/166,524.12
  6. Step 6: Final answer
    x = 125,678.97

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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.