Home / 190,142.38-284,803.51-178,963.42

Finding the Fourth Proportional to 190,142.38, 284,803.51 and 178,963.42

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Solution

The fourth proportional to 190,142.38, 284,803.51 and 178,963.42 is: 268,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,142.38 : 284,803.51 = 178,963.42 : x
  2. Step 2: Convert to fraction form
    190,142.38/284,803.51 = 178,963.42/x
  3. Step 3: Cross multiply
    190,142.38x = 284,803.51 × 178,963.42
  4. Step 4: Simplify right side
    190,142.38x = 50,969,410,177.60
  5. Step 5: Solve for x
    x = 50,969,410,177.60/190,142.38
  6. Step 6: Final answer
    x = 268,059.18

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1.5x scale

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.