Home / 166,448.62-229,699.29-90,997.12

Finding the Fourth Proportional to 166,448.62, 229,699.29 and 90,997.12

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Solution

The fourth proportional to 166,448.62, 229,699.29 and 90,997.12 is: 125,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,448.62 : 229,699.29 = 90,997.12 : x
  2. Step 2: Convert to fraction form
    166,448.62/229,699.29 = 90,997.12/x
  3. Step 3: Cross multiply
    166,448.62x = 229,699.29 × 90,997.12
  4. Step 4: Simplify right side
    166,448.62x = 20,901,973,856.04
  5. Step 5: Solve for x
    x = 20,901,973,856.04/166,448.62
  6. Step 6: Final answer
    x = 125,576.13

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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.