Home / 197,656.46-296,236.38-85,205.06

Finding the Fourth Proportional to 197,656.46, 296,236.38 and 85,205.06

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Solution

The fourth proportional to 197,656.46, 296,236.38 and 85,205.06 is: 127,700.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,656.46 : 296,236.38 = 85,205.06 : x
  2. Step 2: Convert to fraction form
    197,656.46/296,236.38 = 85,205.06/x
  3. Step 3: Cross multiply
    197,656.46x = 296,236.38 × 85,205.06
  4. Step 4: Simplify right side
    197,656.46x = 25,240,838,532.08
  5. Step 5: Solve for x
    x = 25,240,838,532.08/197,656.46
  6. Step 6: Final answer
    x = 127,700.55

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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.