Home / 455,176.26-682,765.61-118,219.70

Finding the Fourth Proportional to 455,176.26, 682,765.61 and 118,219.70

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Solution

The fourth proportional to 455,176.26, 682,765.61 and 118,219.70 is: 177,329.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,176.26 : 682,765.61 = 118,219.70 : x
  2. Step 2: Convert to fraction form
    455,176.26/682,765.61 = 118,219.70/x
  3. Step 3: Cross multiply
    455,176.26x = 682,765.61 × 118,219.70
  4. Step 4: Simplify right side
    455,176.26x = 80,716,346,700.33
  5. Step 5: Solve for x
    x = 80,716,346,700.33/455,176.26
  6. Step 6: Final answer
    x = 177,329.87

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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.