Home / 107,163.83-160,733.39-28,284.21

Finding the Fourth Proportional to 107,163.83, 160,733.39 and 28,284.21

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Solution

The fourth proportional to 107,163.83, 160,733.39 and 28,284.21 is: 42,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,163.83 : 160,733.39 = 28,284.21 : x
  2. Step 2: Convert to fraction form
    107,163.83/160,733.39 = 28,284.21/x
  3. Step 3: Cross multiply
    107,163.83x = 160,733.39 × 28,284.21
  4. Step 4: Simplify right side
    107,163.83x = 4,546,216,815.35
  5. Step 5: Solve for x
    x = 4,546,216,815.35/107,163.83
  6. Step 6: Final answer
    x = 42,423.05

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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.