Home / 197,728.74-296,531.69-71,352.59

Finding the Fourth Proportional to 197,728.74, 296,531.69 and 71,352.59

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Solution

The fourth proportional to 197,728.74, 296,531.69 and 71,352.59 is: 107,006.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,728.74 : 296,531.69 = 71,352.59 : x
  2. Step 2: Convert to fraction form
    197,728.74/296,531.69 = 71,352.59/x
  3. Step 3: Cross multiply
    197,728.74x = 296,531.69 × 71,352.59
  4. Step 4: Simplify right side
    197,728.74x = 21,158,302,259.16
  5. Step 5: Solve for x
    x = 21,158,302,259.16/197,728.74
  6. Step 6: Final answer
    x = 107,006.71

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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.