Home / 163,596.12-225,761.28-91,976.46

Finding the Fourth Proportional to 163,596.12, 225,761.28 and 91,976.46

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Solution

The fourth proportional to 163,596.12, 225,761.28 and 91,976.46 is: 126,926.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,596.12 : 225,761.28 = 91,976.46 : x
  2. Step 2: Convert to fraction form
    163,596.12/225,761.28 = 91,976.46/x
  3. Step 3: Cross multiply
    163,596.12x = 225,761.28 × 91,976.46
  4. Step 4: Simplify right side
    163,596.12x = 20,764,723,339.47
  5. Step 5: Solve for x
    x = 20,764,723,339.47/163,596.12
  6. Step 6: Final answer
    x = 126,926.75

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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.