Home / 163,463.22-225,579.44-91,843.20

Finding the Fourth Proportional to 163,463.22, 225,579.44 and 91,843.20

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Solution

The fourth proportional to 163,463.22, 225,579.44 and 91,843.20 is: 126,743.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,463.22 : 225,579.44 = 91,843.20 : x
  2. Step 2: Convert to fraction form
    163,463.22/225,579.44 = 91,843.20/x
  3. Step 3: Cross multiply
    163,463.22x = 225,579.44 × 91,843.20
  4. Step 4: Simplify right side
    163,463.22x = 20,717,937,164.59
  5. Step 5: Solve for x
    x = 20,717,937,164.59/163,463.22
  6. Step 6: Final answer
    x = 126,743.72

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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.