Home / 163,626.16-225,791.40-91,992.28

Finding the Fourth Proportional to 163,626.16, 225,791.40 and 91,992.28

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Solution

The fourth proportional to 163,626.16, 225,791.40 and 91,992.28 is: 126,942.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,626.16 : 225,791.40 = 91,992.28 : x
  2. Step 2: Convert to fraction form
    163,626.16/225,791.40 = 91,992.28/x
  3. Step 3: Cross multiply
    163,626.16x = 225,791.40 × 91,992.28
  4. Step 4: Simplify right side
    163,626.16x = 20,771,065,690.39
  5. Step 5: Solve for x
    x = 20,771,065,690.39/163,626.16
  6. Step 6: Final answer
    x = 126,942.21

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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.