Home / 167,257.89-230,812.04-90,777.12

Finding the Fourth Proportional to 167,257.89, 230,812.04 and 90,777.12

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Solution

The fourth proportional to 167,257.89, 230,812.04 and 90,777.12 is: 125,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,257.89 : 230,812.04 = 90,777.12 : x
  2. Step 2: Convert to fraction form
    167,257.89/230,812.04 = 90,777.12/x
  3. Step 3: Cross multiply
    167,257.89x = 230,812.04 × 90,777.12
  4. Step 4: Simplify right side
    167,257.89x = 20,952,451,798.64
  5. Step 5: Solve for x
    x = 20,952,451,798.64/167,257.89
  6. Step 6: Final answer
    x = 125,270.33

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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.