Home / 190,897.11-263,569.82-119,309.31

Finding the Fourth Proportional to 190,897.11, 263,569.82 and 119,309.31

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Solution

The fourth proportional to 190,897.11, 263,569.82 and 119,309.31 is: 164,729.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,897.11 : 263,569.82 = 119,309.31 : x
  2. Step 2: Convert to fraction form
    190,897.11/263,569.82 = 119,309.31/x
  3. Step 3: Cross multiply
    190,897.11x = 263,569.82 × 119,309.31
  4. Step 4: Simplify right side
    190,897.11x = 31,446,332,764.48
  5. Step 5: Solve for x
    x = 31,446,332,764.48/190,897.11
  6. Step 6: Final answer
    x = 164,729.22

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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.