Home / 190,561.41-262,993.91-105,694.47

Finding the Fourth Proportional to 190,561.41, 262,993.91 and 105,694.47

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Solution

The fourth proportional to 190,561.41, 262,993.91 and 105,694.47 is: 145,869.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,561.41 : 262,993.91 = 105,694.47 : x
  2. Step 2: Convert to fraction form
    190,561.41/262,993.91 = 105,694.47/x
  3. Step 3: Cross multiply
    190,561.41x = 262,993.91 × 105,694.47
  4. Step 4: Simplify right side
    190,561.41x = 27,797,001,402.21
  5. Step 5: Solve for x
    x = 27,797,001,402.21/190,561.41
  6. Step 6: Final answer
    x = 145,869.00

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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.