Home / 190,965.80-263,423.14-119,221.27

Finding the Fourth Proportional to 190,965.80, 263,423.14 and 119,221.27

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Solution

The fourth proportional to 190,965.80, 263,423.14 and 119,221.27 is: 164,456.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,965.80 : 263,423.14 = 119,221.27 : x
  2. Step 2: Convert to fraction form
    190,965.80/263,423.14 = 119,221.27/x
  3. Step 3: Cross multiply
    190,965.80x = 263,423.14 × 119,221.27
  4. Step 4: Simplify right side
    190,965.80x = 31,405,640,341.58
  5. Step 5: Solve for x
    x = 31,405,640,341.58/190,965.80
  6. Step 6: Final answer
    x = 164,456.88

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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.