Home / 195,821.45-293,672.37-135,419.98

Finding the Fourth Proportional to 195,821.45, 293,672.37 and 135,419.98

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Solution

The fourth proportional to 195,821.45, 293,672.37 and 135,419.98 is: 203,088.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,821.45 : 293,672.37 = 135,419.98 : x
  2. Step 2: Convert to fraction form
    195,821.45/293,672.37 = 135,419.98/x
  3. Step 3: Cross multiply
    195,821.45x = 293,672.37 × 135,419.98
  4. Step 4: Simplify right side
    195,821.45x = 39,769,106,471.95
  5. Step 5: Solve for x
    x = 39,769,106,471.95/195,821.45
  6. Step 6: Final answer
    x = 203,088.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.