Home / 166,993.12-230,451.36-90,512.32

Finding the Fourth Proportional to 166,993.12, 230,451.36 and 90,512.32

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Solution

The fourth proportional to 166,993.12, 230,451.36 and 90,512.32 is: 124,907.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,993.12 : 230,451.36 = 90,512.32 : x
  2. Step 2: Convert to fraction form
    166,993.12/230,451.36 = 90,512.32/x
  3. Step 3: Cross multiply
    166,993.12x = 230,451.36 × 90,512.32
  4. Step 4: Simplify right side
    166,993.12x = 20,858,687,240.76
  5. Step 5: Solve for x
    x = 20,858,687,240.76/166,993.12
  6. Step 6: Final answer
    x = 124,907.46

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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.