Home / 166,185.60-229,336.06-90,734.08

Finding the Fourth Proportional to 166,185.60, 229,336.06 and 90,734.08

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Solution

The fourth proportional to 166,185.60, 229,336.06 and 90,734.08 is: 125,212.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,185.60 : 229,336.06 = 90,734.08 : x
  2. Step 2: Convert to fraction form
    166,185.60/229,336.06 = 90,734.08/x
  3. Step 3: Cross multiply
    166,185.60x = 229,336.06 × 90,734.08
  4. Step 4: Simplify right side
    166,185.60x = 20,808,596,414.92
  5. Step 5: Solve for x
    x = 20,808,596,414.92/166,185.60
  6. Step 6: Final answer
    x = 125,212.99

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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.