Home / 112,400.92-168,456.03-84,098.92

Finding the Fourth Proportional to 112,400.92, 168,456.03 and 84,098.92

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Solution

The fourth proportional to 112,400.92, 168,456.03 and 84,098.92 is: 126,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,400.92 : 168,456.03 = 84,098.92 : x
  2. Step 2: Convert to fraction form
    112,400.92/168,456.03 = 84,098.92/x
  3. Step 3: Cross multiply
    112,400.92x = 168,456.03 × 84,098.92
  4. Step 4: Simplify right side
    112,400.92x = 14,166,970,190.49
  5. Step 5: Solve for x
    x = 14,166,970,190.49/112,400.92
  6. Step 6: Final answer
    x = 126,039.63

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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.