Home / 163,249.05-225,271.34-91,615.24

Finding the Fourth Proportional to 163,249.05, 225,271.34 and 91,615.24

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Solution

The fourth proportional to 163,249.05, 225,271.34 and 91,615.24 is: 126,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,249.05 : 225,271.34 = 91,615.24 : x
  2. Step 2: Convert to fraction form
    163,249.05/225,271.34 = 91,615.24/x
  3. Step 3: Cross multiply
    163,249.05x = 225,271.34 × 91,615.24
  4. Step 4: Simplify right side
    163,249.05x = 20,638,288,046.29
  5. Step 5: Solve for x
    x = 20,638,288,046.29/163,249.05
  6. Step 6: Final answer
    x = 126,422.10

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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.