Home / 190,864.70-263,399.91-105,983.18

Finding the Fourth Proportional to 190,864.70, 263,399.91 and 105,983.18

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Solution

The fourth proportional to 190,864.70, 263,399.91 and 105,983.18 is: 146,260.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,864.70 : 263,399.91 = 105,983.18 : x
  2. Step 2: Convert to fraction form
    190,864.70/263,399.91 = 105,983.18/x
  3. Step 3: Cross multiply
    190,864.70x = 263,399.91 × 105,983.18
  4. Step 4: Simplify right side
    190,864.70x = 27,915,960,073.51
  5. Step 5: Solve for x
    x = 27,915,960,073.51/190,864.70
  6. Step 6: Final answer
    x = 146,260.47

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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.