Home / 190,923.39-263,298.22-129,761.19

Finding the Fourth Proportional to 190,923.39, 263,298.22 and 129,761.19

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Solution

The fourth proportional to 190,923.39, 263,298.22 and 129,761.19 is: 178,950.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,923.39 : 263,298.22 = 129,761.19 : x
  2. Step 2: Convert to fraction form
    190,923.39/263,298.22 = 129,761.19/x
  3. Step 3: Cross multiply
    190,923.39x = 263,298.22 × 129,761.19
  4. Step 4: Simplify right side
    190,923.39x = 34,165,890,027.68
  5. Step 5: Solve for x
    x = 34,165,890,027.68/190,923.39
  6. Step 6: Final answer
    x = 178,950.78

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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.