Home / 130,680.53-195,997.30-34,618.38

Finding the Fourth Proportional to 130,680.53, 195,997.30 and 34,618.38

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Solution

The fourth proportional to 130,680.53, 195,997.30 and 34,618.38 is: 51,921.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,680.53 : 195,997.30 = 34,618.38 : x
  2. Step 2: Convert to fraction form
    130,680.53/195,997.30 = 34,618.38/x
  3. Step 3: Cross multiply
    130,680.53x = 195,997.30 × 34,618.38
  4. Step 4: Simplify right side
    130,680.53x = 6,785,109,010.37
  5. Step 5: Solve for x
    x = 6,785,109,010.37/130,680.53
  6. Step 6: Final answer
    x = 51,921.35

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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.