Home / 259,341.08-389,077.22-72,352.44

Finding the Fourth Proportional to 259,341.08, 389,077.22 and 72,352.44

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Solution

The fourth proportional to 259,341.08, 389,077.22 and 72,352.44 is: 108,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,341.08 : 389,077.22 = 72,352.44 : x
  2. Step 2: Convert to fraction form
    259,341.08/389,077.22 = 72,352.44/x
  3. Step 3: Cross multiply
    259,341.08x = 389,077.22 × 72,352.44
  4. Step 4: Simplify right side
    259,341.08x = 28,150,686,215.42
  5. Step 5: Solve for x
    x = 28,150,686,215.42/259,341.08
  6. Step 6: Final answer
    x = 108,546.96

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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.