Home / 166,186.60-229,337.44-90,735.08

Finding the Fourth Proportional to 166,186.60, 229,337.44 and 90,735.08

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Solution

The fourth proportional to 166,186.60, 229,337.44 and 90,735.08 is: 125,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,186.60 : 229,337.44 = 90,735.08 : x
  2. Step 2: Convert to fraction form
    166,186.60/229,337.44 = 90,735.08/x
  3. Step 3: Cross multiply
    166,186.60x = 229,337.44 × 90,735.08
  4. Step 4: Simplify right side
    166,186.60x = 20,808,950,965.40
  5. Step 5: Solve for x
    x = 20,808,950,965.40/166,186.60
  6. Step 6: Final answer
    x = 125,214.37

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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.