Home / 190,532.75-285,593.48-83,821.73

Finding the Fourth Proportional to 190,532.75, 285,593.48 and 83,821.73

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Solution

The fourth proportional to 190,532.75, 285,593.48 and 83,821.73 is: 125,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,532.75 : 285,593.48 = 83,821.73 : x
  2. Step 2: Convert to fraction form
    190,532.75/285,593.48 = 83,821.73/x
  3. Step 3: Cross multiply
    190,532.75x = 285,593.48 × 83,821.73
  4. Step 4: Simplify right side
    190,532.75x = 23,938,937,723.24
  5. Step 5: Solve for x
    x = 23,938,937,723.24/190,532.75
  6. Step 6: Final answer
    x = 125,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.