Home / 140,746.14-194,232.50-77,083.94

Finding the Fourth Proportional to 140,746.14, 194,232.50 and 77,083.94

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Solution

The fourth proportional to 140,746.14, 194,232.50 and 77,083.94 is: 106,377.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,746.14 : 194,232.50 = 77,083.94 : x
  2. Step 2: Convert to fraction form
    140,746.14/194,232.50 = 77,083.94/x
  3. Step 3: Cross multiply
    140,746.14x = 194,232.50 × 77,083.94
  4. Step 4: Simplify right side
    140,746.14x = 14,972,206,376.05
  5. Step 5: Solve for x
    x = 14,972,206,376.05/140,746.14
  6. Step 6: Final answer
    x = 106,377.39

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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.