Home / 256,826.14-354,413.24-142,101.79

Finding the Fourth Proportional to 256,826.14, 354,413.24 and 142,101.79

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Solution

The fourth proportional to 256,826.14, 354,413.24 and 142,101.79 is: 196,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,826.14 : 354,413.24 = 142,101.79 : x
  2. Step 2: Convert to fraction form
    256,826.14/354,413.24 = 142,101.79/x
  3. Step 3: Cross multiply
    256,826.14x = 354,413.24 × 142,101.79
  4. Step 4: Simplify right side
    256,826.14x = 50,362,755,272.92
  5. Step 5: Solve for x
    x = 50,362,755,272.92/256,826.14
  6. Step 6: Final answer
    x = 196,096.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.