Home / 112,067.40-167,906.70-72,604.20

Finding the Fourth Proportional to 112,067.40, 167,906.70 and 72,604.20

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Solution

The fourth proportional to 112,067.40, 167,906.70 and 72,604.20 is: 108,780.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,067.40 : 167,906.70 = 72,604.20 : x
  2. Step 2: Convert to fraction form
    112,067.40/167,906.70 = 72,604.20/x
  3. Step 3: Cross multiply
    112,067.40x = 167,906.70 × 72,604.20
  4. Step 4: Simplify right side
    112,067.40x = 12,190,731,628.14
  5. Step 5: Solve for x
    x = 12,190,731,628.14/112,067.40
  6. Step 6: Final answer
    x = 108,780.36

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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.