Home / 166,678.63-230,016.51-91,227.13

Finding the Fourth Proportional to 166,678.63, 230,016.51 and 91,227.13

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Solution

The fourth proportional to 166,678.63, 230,016.51 and 91,227.13 is: 125,893.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,678.63 : 230,016.51 = 91,227.13 : x
  2. Step 2: Convert to fraction form
    166,678.63/230,016.51 = 91,227.13/x
  3. Step 3: Cross multiply
    166,678.63x = 230,016.51 × 91,227.13
  4. Step 4: Simplify right side
    166,678.63x = 20,983,744,453.70
  5. Step 5: Solve for x
    x = 20,983,744,453.70/166,678.63
  6. Step 6: Final answer
    x = 125,893.43

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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.