Home / 112,221.24-168,298.38-92,450.76

Finding the Fourth Proportional to 112,221.24, 168,298.38 and 92,450.76

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Solution

The fourth proportional to 112,221.24, 168,298.38 and 92,450.76 is: 138,648.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,221.24 : 168,298.38 = 92,450.76 : x
  2. Step 2: Convert to fraction form
    112,221.24/168,298.38 = 92,450.76/x
  3. Step 3: Cross multiply
    112,221.24x = 168,298.38 × 92,450.76
  4. Step 4: Simplify right side
    112,221.24x = 15,559,313,137.77
  5. Step 5: Solve for x
    x = 15,559,313,137.77/112,221.24
  6. Step 6: Final answer
    x = 138,648.56

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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.