Home / 136,759.40-205,155.49-41,977.17

Finding the Fourth Proportional to 136,759.40, 205,155.49 and 41,977.17

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Solution

The fourth proportional to 136,759.40, 205,155.49 and 41,977.17 is: 62,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,759.40 : 205,155.49 = 41,977.17 : x
  2. Step 2: Convert to fraction form
    136,759.40/205,155.49 = 41,977.17/x
  3. Step 3: Cross multiply
    136,759.40x = 205,155.49 × 41,977.17
  4. Step 4: Simplify right side
    136,759.40x = 8,611,847,183.17
  5. Step 5: Solve for x
    x = 8,611,847,183.17/136,759.40
  6. Step 6: Final answer
    x = 62,970.79

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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.