Home / 167,535.20-231,200.36-91,054.30

Finding the Fourth Proportional to 167,535.20, 231,200.36 and 91,054.30

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Solution

The fourth proportional to 167,535.20, 231,200.36 and 91,054.30 is: 125,655.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,535.20 : 231,200.36 = 91,054.30 : x
  2. Step 2: Convert to fraction form
    167,535.20/231,200.36 = 91,054.30/x
  3. Step 3: Cross multiply
    167,535.20x = 231,200.36 × 91,054.30
  4. Step 4: Simplify right side
    167,535.20x = 21,051,786,939.55
  5. Step 5: Solve for x
    x = 21,051,786,939.55/167,535.20
  6. Step 6: Final answer
    x = 125,655.90

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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.