Home / 125,650.21-173,437.68-80,449.93

Finding the Fourth Proportional to 125,650.21, 173,437.68 and 80,449.93

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Solution

The fourth proportional to 125,650.21, 173,437.68 and 80,449.93 is: 111,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,650.21 : 173,437.68 = 80,449.93 : x
  2. Step 2: Convert to fraction form
    125,650.21/173,437.68 = 80,449.93/x
  3. Step 3: Cross multiply
    125,650.21x = 173,437.68 × 80,449.93
  4. Step 4: Simplify right side
    125,650.21x = 13,953,049,215.36
  5. Step 5: Solve for x
    x = 13,953,049,215.36/125,650.21
  6. Step 6: Final answer
    x = 111,046.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.