Home / 166,795.12-230,176.94-90,314.30

Finding the Fourth Proportional to 166,795.12, 230,176.94 and 90,314.30

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Solution

The fourth proportional to 166,795.12, 230,176.94 and 90,314.30 is: 124,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,795.12 : 230,176.94 = 90,314.30 : x
  2. Step 2: Convert to fraction form
    166,795.12/230,176.94 = 90,314.30/x
  3. Step 3: Cross multiply
    166,795.12x = 230,176.94 × 90,314.30
  4. Step 4: Simplify right side
    166,795.12x = 20,788,269,212.24
  5. Step 5: Solve for x
    x = 20,788,269,212.24/166,795.12
  6. Step 6: Final answer
    x = 124,633.56

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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.