Home / 166,968.30-230,416.92-90,487.56

Finding the Fourth Proportional to 166,968.30, 230,416.92 and 90,487.56

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Solution

The fourth proportional to 166,968.30, 230,416.92 and 90,487.56 is: 124,873.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,968.30 : 230,416.92 = 90,487.56 : x
  2. Step 2: Convert to fraction form
    166,968.30/230,416.92 = 90,487.56/x
  3. Step 3: Cross multiply
    166,968.30x = 230,416.92 × 90,487.56
  4. Step 4: Simplify right side
    166,968.30x = 20,849,864,873.52
  5. Step 5: Solve for x
    x = 20,849,864,873.52/166,968.30
  6. Step 6: Final answer
    x = 124,873.19

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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.