Home / 112,174.03-168,333.81-67,161.46

Finding the Fourth Proportional to 112,174.03, 168,333.81 and 67,161.46

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Solution

The fourth proportional to 112,174.03, 168,333.81 and 67,161.46 is: 100,785.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,174.03 : 168,333.81 = 67,161.46 : x
  2. Step 2: Convert to fraction form
    112,174.03/168,333.81 = 67,161.46/x
  3. Step 3: Cross multiply
    112,174.03x = 168,333.81 × 67,161.46
  4. Step 4: Simplify right side
    112,174.03x = 11,305,544,446.96
  5. Step 5: Solve for x
    x = 11,305,544,446.96/112,174.03
  6. Step 6: Final answer
    x = 100,785.76

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1.5x scale

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.