Home / 140,761.56-194,177.34-87,029.40

Finding the Fourth Proportional to 140,761.56, 194,177.34 and 87,029.40

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Solution

The fourth proportional to 140,761.56, 194,177.34 and 87,029.40 is: 120,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,761.56 : 194,177.34 = 87,029.40 : x
  2. Step 2: Convert to fraction form
    140,761.56/194,177.34 = 87,029.40/x
  3. Step 3: Cross multiply
    140,761.56x = 194,177.34 × 87,029.40
  4. Step 4: Simplify right side
    140,761.56x = 16,899,137,393.80
  5. Step 5: Solve for x
    x = 16,899,137,393.80/140,761.56
  6. Step 6: Final answer
    x = 120,055.06

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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.