Home / 136,680.38-204,997.21-36,817.22

Finding the Fourth Proportional to 136,680.38, 204,997.21 and 36,817.22

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Solution

The fourth proportional to 136,680.38, 204,997.21 and 36,817.22 is: 55,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,680.38 : 204,997.21 = 36,817.22 : x
  2. Step 2: Convert to fraction form
    136,680.38/204,997.21 = 36,817.22/x
  3. Step 3: Cross multiply
    136,680.38x = 204,997.21 × 36,817.22
  4. Step 4: Simplify right side
    136,680.38x = 7,547,428,007.50
  5. Step 5: Solve for x
    x = 7,547,428,007.50/136,680.38
  6. Step 6: Final answer
    x = 55,219.54

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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.