Home / 163,284.55-225,320.24-91,650.73

Finding the Fourth Proportional to 163,284.55, 225,320.24 and 91,650.73

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Solution

The fourth proportional to 163,284.55, 225,320.24 and 91,650.73 is: 126,471.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,284.55 : 225,320.24 = 91,650.73 : x
  2. Step 2: Convert to fraction form
    163,284.55/225,320.24 = 91,650.73/x
  3. Step 3: Cross multiply
    163,284.55x = 225,320.24 × 91,650.73
  4. Step 4: Simplify right side
    163,284.55x = 20,650,763,923.66
  5. Step 5: Solve for x
    x = 20,650,763,923.66/163,284.55
  6. Step 6: Final answer
    x = 126,471.02

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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.