Home / 143,131.38-197,196.36-110,754.66

Finding the Fourth Proportional to 143,131.38, 197,196.36 and 110,754.66

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Solution

The fourth proportional to 143,131.38, 197,196.36 and 110,754.66 is: 152,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,131.38 : 197,196.36 = 110,754.66 : x
  2. Step 2: Convert to fraction form
    143,131.38/197,196.36 = 110,754.66/x
  3. Step 3: Cross multiply
    143,131.38x = 197,196.36 × 110,754.66
  4. Step 4: Simplify right side
    143,131.38x = 21,840,415,805.04
  5. Step 5: Solve for x
    x = 21,840,415,805.04/143,131.38
  6. Step 6: Final answer
    x = 152,589.99

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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.