Home / 190,985.49-263,564.67-104,943.78

Finding the Fourth Proportional to 190,985.49, 263,564.67 and 104,943.78

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Solution

The fourth proportional to 190,985.49, 263,564.67 and 104,943.78 is: 144,825.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,985.49 : 263,564.67 = 104,943.78 : x
  2. Step 2: Convert to fraction form
    190,985.49/263,564.67 = 104,943.78/x
  3. Step 3: Cross multiply
    190,985.49x = 263,564.67 × 104,943.78
  4. Step 4: Simplify right side
    190,985.49x = 27,659,472,744.25
  5. Step 5: Solve for x
    x = 27,659,472,744.25/190,985.49
  6. Step 6: Final answer
    x = 144,825.00

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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.