Home / 190,552.41-285,839.55-57,418.79

Finding the Fourth Proportional to 190,552.41, 285,839.55 and 57,418.79

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Solution

The fourth proportional to 190,552.41, 285,839.55 and 57,418.79 is: 86,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,552.41 : 285,839.55 = 57,418.79 : x
  2. Step 2: Convert to fraction form
    190,552.41/285,839.55 = 57,418.79/x
  3. Step 3: Cross multiply
    190,552.41x = 285,839.55 × 57,418.79
  4. Step 4: Simplify right side
    190,552.41x = 16,412,559,665.95
  5. Step 5: Solve for x
    x = 16,412,559,665.95/190,552.41
  6. Step 6: Final answer
    x = 86,131.47

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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.