Home / 112,143.70-168,216.18-33,258.52

Finding the Fourth Proportional to 112,143.70, 168,216.18 and 33,258.52

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Solution

The fourth proportional to 112,143.70, 168,216.18 and 33,258.52 is: 49,887.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,143.70 : 168,216.18 = 33,258.52 : x
  2. Step 2: Convert to fraction form
    112,143.70/168,216.18 = 33,258.52/x
  3. Step 3: Cross multiply
    112,143.70x = 168,216.18 × 33,258.52
  4. Step 4: Simplify right side
    112,143.70x = 5,594,621,186.85
  5. Step 5: Solve for x
    x = 5,594,621,186.85/112,143.70
  6. Step 6: Final answer
    x = 49,887.97

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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.