Home / 163,613.12-225,780.28-91,997.24

Finding the Fourth Proportional to 163,613.12, 225,780.28 and 91,997.24

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Solution

The fourth proportional to 163,613.12, 225,780.28 and 91,997.24 is: 126,952.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,613.12 : 225,780.28 = 91,997.24 : x
  2. Step 2: Convert to fraction form
    163,613.12/225,780.28 = 91,997.24/x
  3. Step 3: Cross multiply
    163,613.12x = 225,780.28 × 91,997.24
  4. Step 4: Simplify right side
    163,613.12x = 20,771,162,606.43
  5. Step 5: Solve for x
    x = 20,771,162,606.43/163,613.12
  6. Step 6: Final answer
    x = 126,952.92

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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.