Home / 190,726.92-263,195.73-105,849.45

Finding the Fourth Proportional to 190,726.92, 263,195.73 and 105,849.45

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Solution

The fourth proportional to 190,726.92, 263,195.73 and 105,849.45 is: 146,068.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,726.92 : 263,195.73 = 105,849.45 : x
  2. Step 2: Convert to fraction form
    190,726.92/263,195.73 = 105,849.45/x
  3. Step 3: Cross multiply
    190,726.92x = 263,195.73 × 105,849.45
  4. Step 4: Simplify right side
    190,726.92x = 27,859,123,262.85
  5. Step 5: Solve for x
    x = 27,859,123,262.85/190,726.92
  6. Step 6: Final answer
    x = 146,068.12

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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.