Home / 112,138.74-168,240.63-33,254.88

Finding the Fourth Proportional to 112,138.74, 168,240.63 and 33,254.88

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Solution

The fourth proportional to 112,138.74, 168,240.63 and 33,254.88 is: 49,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,138.74 : 168,240.63 = 33,254.88 : x
  2. Step 2: Convert to fraction form
    112,138.74/168,240.63 = 33,254.88/x
  3. Step 3: Cross multiply
    112,138.74x = 168,240.63 × 33,254.88
  4. Step 4: Simplify right side
    112,138.74x = 5,594,821,961.77
  5. Step 5: Solve for x
    x = 5,594,821,961.77/112,138.74
  6. Step 6: Final answer
    x = 49,891.96

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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.