Home / 197,043.75-271,920.69-112,160.82

Finding the Fourth Proportional to 197,043.75, 271,920.69 and 112,160.82

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Solution

The fourth proportional to 197,043.75, 271,920.69 and 112,160.82 is: 154,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,043.75 : 271,920.69 = 112,160.82 : x
  2. Step 2: Convert to fraction form
    197,043.75/271,920.69 = 112,160.82/x
  3. Step 3: Cross multiply
    197,043.75x = 271,920.69 × 112,160.82
  4. Step 4: Simplify right side
    197,043.75x = 30,498,847,565.37
  5. Step 5: Solve for x
    x = 30,498,847,565.37/197,043.75
  6. Step 6: Final answer
    x = 154,782.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.