Home / 112,078.90-168,118.35-111,301.30

Finding the Fourth Proportional to 112,078.90, 168,118.35 and 111,301.30

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Solution

The fourth proportional to 112,078.90, 168,118.35 and 111,301.30 is: 166,951.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,078.90 : 168,118.35 = 111,301.30 : x
  2. Step 2: Convert to fraction form
    112,078.90/168,118.35 = 111,301.30/x
  3. Step 3: Cross multiply
    112,078.90x = 168,118.35 × 111,301.30
  4. Step 4: Simplify right side
    112,078.90x = 18,711,790,908.86
  5. Step 5: Solve for x
    x = 18,711,790,908.86/112,078.90
  6. Step 6: Final answer
    x = 166,951.95

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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.