Home / 159,979.16-220,813.94-92,003.56

Finding the Fourth Proportional to 159,979.16, 220,813.94 and 92,003.56

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Solution

The fourth proportional to 159,979.16, 220,813.94 and 92,003.56 is: 126,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,979.16 : 220,813.94 = 92,003.56 : x
  2. Step 2: Convert to fraction form
    159,979.16/220,813.94 = 92,003.56/x
  3. Step 3: Cross multiply
    159,979.16x = 220,813.94 × 92,003.56
  4. Step 4: Simplify right side
    159,979.16x = 20,315,668,577.63
  5. Step 5: Solve for x
    x = 20,315,668,577.63/159,979.16
  6. Step 6: Final answer
    x = 126,989.47

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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.