Home / 112,169.08-168,169.92-67,785.76

Finding the Fourth Proportional to 112,169.08, 168,169.92 and 67,785.76

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Solution

The fourth proportional to 112,169.08, 168,169.92 and 67,785.76 is: 101,628.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,169.08 : 168,169.92 = 67,785.76 : x
  2. Step 2: Convert to fraction form
    112,169.08/168,169.92 = 67,785.76/x
  3. Step 3: Cross multiply
    112,169.08x = 168,169.92 × 67,785.76
  4. Step 4: Simplify right side
    112,169.08x = 11,399,525,836.34
  5. Step 5: Solve for x
    x = 11,399,525,836.34/112,169.08
  6. Step 6: Final answer
    x = 101,628.06

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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.