Home / 137,217.70-205,494.36-94,979.44

Finding the Fourth Proportional to 137,217.70, 205,494.36 and 94,979.44

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Solution

The fourth proportional to 137,217.70, 205,494.36 and 94,979.44 is: 142,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,217.70 : 205,494.36 = 94,979.44 : x
  2. Step 2: Convert to fraction form
    137,217.70/205,494.36 = 94,979.44/x
  3. Step 3: Cross multiply
    137,217.70x = 205,494.36 × 94,979.44
  4. Step 4: Simplify right side
    137,217.70x = 19,517,739,235.96
  5. Step 5: Solve for x
    x = 19,517,739,235.96/137,217.70
  6. Step 6: Final answer
    x = 142,239.22

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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.