Home / 190,143.38-284,805.01-178,964.42

Finding the Fourth Proportional to 190,143.38, 284,805.01 and 178,964.42

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Solution

The fourth proportional to 190,143.38, 284,805.01 and 178,964.42 is: 268,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,143.38 : 284,805.01 = 178,964.42 : x
  2. Step 2: Convert to fraction form
    190,143.38/284,805.01 = 178,964.42/x
  3. Step 3: Cross multiply
    190,143.38x = 284,805.01 × 178,964.42
  4. Step 4: Simplify right side
    190,143.38x = 50,969,963,427.74
  5. Step 5: Solve for x
    x = 50,969,963,427.74/190,143.38
  6. Step 6: Final answer
    x = 268,060.68

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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.