Home / 167,530.45-231,193.80-91,049.55

Finding the Fourth Proportional to 167,530.45, 231,193.80 and 91,049.55

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Solution

The fourth proportional to 167,530.45, 231,193.80 and 91,049.55 is: 125,649.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,530.45 : 231,193.80 = 91,049.55 : x
  2. Step 2: Convert to fraction form
    167,530.45/231,193.80 = 91,049.55/x
  3. Step 3: Cross multiply
    167,530.45x = 231,193.80 × 91,049.55
  4. Step 4: Simplify right side
    167,530.45x = 21,050,090,585.81
  5. Step 5: Solve for x
    x = 21,050,090,585.81/167,530.45
  6. Step 6: Final answer
    x = 125,649.34

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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.