Home / 166,653.48-229,987.20-91,201.92

Finding the Fourth Proportional to 166,653.48, 229,987.20 and 91,201.92

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Solution

The fourth proportional to 166,653.48, 229,987.20 and 91,201.92 is: 125,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653.48 : 229,987.20 = 91,201.92 : x
  2. Step 2: Convert to fraction form
    166,653.48/229,987.20 = 91,201.92/x
  3. Step 3: Cross multiply
    166,653.48x = 229,987.20 × 91,201.92
  4. Step 4: Simplify right side
    166,653.48x = 20,975,274,215.42
  5. Step 5: Solve for x
    x = 20,975,274,215.42/166,653.48
  6. Step 6: Final answer
    x = 125,861.60

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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.