Home / 166,019.28-229,125.72-92,439.12

Finding the Fourth Proportional to 166,019.28, 229,125.72 and 92,439.12

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Solution

The fourth proportional to 166,019.28, 229,125.72 and 92,439.12 is: 127,576.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,019.28 : 229,125.72 = 92,439.12 : x
  2. Step 2: Convert to fraction form
    166,019.28/229,125.72 = 92,439.12/x
  3. Step 3: Cross multiply
    166,019.28x = 229,125.72 × 92,439.12
  4. Step 4: Simplify right side
    166,019.28x = 21,180,179,926.17
  5. Step 5: Solve for x
    x = 21,180,179,926.17/166,019.28
  6. Step 6: Final answer
    x = 127,576.63

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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.