Home / 190,239.38-261,932.83-161,499.47

Finding the Fourth Proportional to 190,239.38, 261,932.83 and 161,499.47

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Solution

The fourth proportional to 190,239.38, 261,932.83 and 161,499.47 is: 222,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,239.38 : 261,932.83 = 161,499.47 : x
  2. Step 2: Convert to fraction form
    190,239.38/261,932.83 = 161,499.47/x
  3. Step 3: Cross multiply
    190,239.38x = 261,932.83 × 161,499.47
  4. Step 4: Simplify right side
    190,239.38x = 42,302,013,471.68
  5. Step 5: Solve for x
    x = 42,302,013,471.68/190,239.38
  6. Step 6: Final answer
    x = 222,362.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.