Home / 190,860.75-263,398.77-105,983.28

Finding the Fourth Proportional to 190,860.75, 263,398.77 and 105,983.28

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Solution

The fourth proportional to 190,860.75, 263,398.77 and 105,983.28 is: 146,263.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,860.75 : 263,398.77 = 105,983.28 : x
  2. Step 2: Convert to fraction form
    190,860.75/263,398.77 = 105,983.28/x
  3. Step 3: Cross multiply
    190,860.75x = 263,398.77 × 105,983.28
  4. Step 4: Simplify right side
    190,860.75x = 27,915,865,592.57
  5. Step 5: Solve for x
    x = 27,915,865,592.57/190,860.75
  6. Step 6: Final answer
    x = 146,263.00

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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.