Home / 166,199.04-229,354.34-90,747.54

Finding the Fourth Proportional to 166,199.04, 229,354.34 and 90,747.54

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Solution

The fourth proportional to 166,199.04, 229,354.34 and 90,747.54 is: 125,231.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,199.04 : 229,354.34 = 90,747.54 : x
  2. Step 2: Convert to fraction form
    166,199.04/229,354.34 = 90,747.54/x
  3. Step 3: Cross multiply
    166,199.04x = 229,354.34 × 90,747.54
  4. Step 4: Simplify right side
    166,199.04x = 20,813,341,689.59
  5. Step 5: Solve for x
    x = 20,813,341,689.59/166,199.04
  6. Step 6: Final answer
    x = 125,231.42

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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.