Home / 163,266.88-225,309.18-91,647.76

Finding the Fourth Proportional to 163,266.88, 225,309.18 and 91,647.76

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Solution

The fourth proportional to 163,266.88, 225,309.18 and 91,647.76 is: 126,474.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,266.88 : 225,309.18 = 91,647.76 : x
  2. Step 2: Convert to fraction form
    163,266.88/225,309.18 = 91,647.76/x
  3. Step 3: Cross multiply
    163,266.88x = 225,309.18 × 91,647.76
  4. Step 4: Simplify right side
    163,266.88x = 20,649,081,654.44
  5. Step 5: Solve for x
    x = 20,649,081,654.44/163,266.88
  6. Step 6: Final answer
    x = 126,474.41

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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.