Home / 112,898.22-169,015.12-75,365.20

Finding the Fourth Proportional to 112,898.22, 169,015.12 and 75,365.20

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Solution

The fourth proportional to 112,898.22, 169,015.12 and 75,365.20 is: 112,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,898.22 : 169,015.12 = 75,365.20 : x
  2. Step 2: Convert to fraction form
    112,898.22/169,015.12 = 75,365.20/x
  3. Step 3: Cross multiply
    112,898.22x = 169,015.12 × 75,365.20
  4. Step 4: Simplify right side
    112,898.22x = 12,737,858,321.82
  5. Step 5: Solve for x
    x = 12,737,858,321.82/112,898.22
  6. Step 6: Final answer
    x = 112,826.03

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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.