Home / 140,608.56-194,096.16-84,009.36

Finding the Fourth Proportional to 140,608.56, 194,096.16 and 84,009.36

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Solution

The fourth proportional to 140,608.56, 194,096.16 and 84,009.36 is: 115,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,608.56 : 194,096.16 = 84,009.36 : x
  2. Step 2: Convert to fraction form
    140,608.56/194,096.16 = 84,009.36/x
  3. Step 3: Cross multiply
    140,608.56x = 194,096.16 × 84,009.36
  4. Step 4: Simplify right side
    140,608.56x = 16,305,894,180.06
  5. Step 5: Solve for x
    x = 16,305,894,180.06/140,608.56
  6. Step 6: Final answer
    x = 115,966.58

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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.