Home / 112,206.15-168,163.78-45,568.87

Finding the Fourth Proportional to 112,206.15, 168,163.78 and 45,568.87

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Solution

The fourth proportional to 112,206.15, 168,163.78 and 45,568.87 is: 68,294.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,206.15 : 168,163.78 = 45,568.87 : x
  2. Step 2: Convert to fraction form
    112,206.15/168,163.78 = 45,568.87/x
  3. Step 3: Cross multiply
    112,206.15x = 168,163.78 × 45,568.87
  4. Step 4: Simplify right side
    112,206.15x = 7,663,033,429.53
  5. Step 5: Solve for x
    x = 7,663,033,429.53/112,206.15
  6. Step 6: Final answer
    x = 68,294.24

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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.