Home / 197,606.25-296,413.83-71,256.78

Finding the Fourth Proportional to 197,606.25, 296,413.83 and 71,256.78

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Solution

The fourth proportional to 197,606.25, 296,413.83 and 71,256.78 is: 106,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,606.25 : 296,413.83 = 71,256.78 : x
  2. Step 2: Convert to fraction form
    197,606.25/296,413.83 = 71,256.78/x
  3. Step 3: Cross multiply
    197,606.25x = 296,413.83 × 71,256.78
  4. Step 4: Simplify right side
    197,606.25x = 21,121,495,073.27
  5. Step 5: Solve for x
    x = 21,121,495,073.27/197,606.25
  6. Step 6: Final answer
    x = 106,886.78

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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.