Home / 190,143.89-284,805.83-178,964.98

Finding the Fourth Proportional to 190,143.89, 284,805.83 and 178,964.98

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Solution

The fourth proportional to 190,143.89, 284,805.83 and 178,964.98 is: 268,061.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.89 : 284,805.83 = 178,964.98 : x
  2. Step 2: Convert to fraction form
    190,143.89/284,805.83 = 178,964.98/x
  3. Step 3: Cross multiply
    190,143.89x = 284,805.83 × 178,964.98
  4. Step 4: Simplify right side
    190,143.89x = 50,970,269,669.83
  5. Step 5: Solve for x
    x = 50,970,269,669.83/190,143.89
  6. Step 6: Final answer
    x = 268,061.57

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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.