Home / 166,260.75-229,439.84-90,809.43

Finding the Fourth Proportional to 166,260.75, 229,439.84 and 90,809.43

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Solution

The fourth proportional to 166,260.75, 229,439.84 and 90,809.43 is: 125,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,260.75 : 229,439.84 = 90,809.43 : x
  2. Step 2: Convert to fraction form
    166,260.75/229,439.84 = 90,809.43/x
  3. Step 3: Cross multiply
    166,260.75x = 229,439.84 × 90,809.43
  4. Step 4: Simplify right side
    166,260.75x = 20,835,301,089.69
  5. Step 5: Solve for x
    x = 20,835,301,089.69/166,260.75
  6. Step 6: Final answer
    x = 125,317.02

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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.