Home / 167,380.98-230,985.03-90,899.54

Finding the Fourth Proportional to 167,380.98, 230,985.03 and 90,899.54

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Solution

The fourth proportional to 167,380.98, 230,985.03 and 90,899.54 is: 125,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,380.98 : 230,985.03 = 90,899.54 : x
  2. Step 2: Convert to fraction form
    167,380.98/230,985.03 = 90,899.54/x
  3. Step 3: Cross multiply
    167,380.98x = 230,985.03 × 90,899.54
  4. Step 4: Simplify right side
    167,380.98x = 20,996,431,818.96
  5. Step 5: Solve for x
    x = 20,996,431,818.96/167,380.98
  6. Step 6: Final answer
    x = 125,440.97

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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.