Home / 143,713.22-198,330.37-80,051.00

Finding the Fourth Proportional to 143,713.22, 198,330.37 and 80,051.00

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Solution

The fourth proportional to 143,713.22, 198,330.37 and 80,051.00 is: 110,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,713.22 : 198,330.37 = 80,051.00 : x
  2. Step 2: Convert to fraction form
    143,713.22/198,330.37 = 80,051.00/x
  3. Step 3: Cross multiply
    143,713.22x = 198,330.37 × 80,051.00
  4. Step 4: Simplify right side
    143,713.22x = 15,876,543,257.09
  5. Step 5: Solve for x
    x = 15,876,543,257.09/143,713.22
  6. Step 6: Final answer
    x = 110,473.79

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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.