Home / 197,728.91-296,607.20-79,400.25

Finding the Fourth Proportional to 197,728.91, 296,607.20 and 79,400.25

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Solution

The fourth proportional to 197,728.91, 296,607.20 and 79,400.25 is: 119,105.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,728.91 : 296,607.20 = 79,400.25 : x
  2. Step 2: Convert to fraction form
    197,728.91/296,607.20 = 79,400.25/x
  3. Step 3: Cross multiply
    197,728.91x = 296,607.20 × 79,400.25
  4. Step 4: Simplify right side
    197,728.91x = 23,550,686,216.40
  5. Step 5: Solve for x
    x = 23,550,686,216.40/197,728.91
  6. Step 6: Final answer
    x = 119,105.93

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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.