Home / 163,979.96-226,280.94-96,899

Finding the Fourth Proportional to 163,979.96, 226,280.94 and 96,899

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Solution

The fourth proportional to 163,979.96, 226,280.94 and 96,899 is: 133,713.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,979.96 : 226,280.94 = 96,899 : x
  2. Step 2: Convert to fraction form
    163,979.96/226,280.94 = 96,899/x
  3. Step 3: Cross multiply
    163,979.96x = 226,280.94 × 96,899
  4. Step 4: Simplify right side
    163,979.96x = 21,926,396,805.06
  5. Step 5: Solve for x
    x = 21,926,396,805.06/163,979.96
  6. Step 6: Final answer
    x = 133,713.88

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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.