Home / 197,845.20-296,767.80-57,608.40

Finding the Fourth Proportional to 197,845.20, 296,767.80 and 57,608.40

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Solution

The fourth proportional to 197,845.20, 296,767.80 and 57,608.40 is: 86,412.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,845.20 : 296,767.80 = 57,608.40 : x
  2. Step 2: Convert to fraction form
    197,845.20/296,767.80 = 57,608.40/x
  3. Step 3: Cross multiply
    197,845.20x = 296,767.80 × 57,608.40
  4. Step 4: Simplify right side
    197,845.20x = 17,096,318,129.52
  5. Step 5: Solve for x
    x = 17,096,318,129.52/197,845.20
  6. Step 6: Final answer
    x = 86,412.60

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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.