Home / 167,454.99-231,086.91-90,973.47

Finding the Fourth Proportional to 167,454.99, 231,086.91 and 90,973.47

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Solution

The fourth proportional to 167,454.99, 231,086.91 and 90,973.47 is: 125,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,454.99 : 231,086.91 = 90,973.47 : x
  2. Step 2: Convert to fraction form
    167,454.99/231,086.91 = 90,973.47/x
  3. Step 3: Cross multiply
    167,454.99x = 231,086.91 × 90,973.47
  4. Step 4: Simplify right side
    167,454.99x = 21,022,778,074.28
  5. Step 5: Solve for x
    x = 21,022,778,074.28/167,454.99
  6. Step 6: Final answer
    x = 125,542.86

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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.