Home / 112,315.15-168,388.44-67,932.82

Finding the Fourth Proportional to 112,315.15, 168,388.44 and 67,932.82

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Solution

The fourth proportional to 112,315.15, 168,388.44 and 67,932.82 is: 101,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,315.15 : 168,388.44 = 67,932.82 : x
  2. Step 2: Convert to fraction form
    112,315.15/168,388.44 = 67,932.82/x
  3. Step 3: Cross multiply
    112,315.15x = 168,388.44 × 67,932.82
  4. Step 4: Simplify right side
    112,315.15x = 11,439,101,584.60
  5. Step 5: Solve for x
    x = 11,439,101,584.60/112,315.15
  6. Step 6: Final answer
    x = 101,848.25

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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.