Home / 221,892.96-306,164.04-131,253.92

Finding the Fourth Proportional to 221,892.96, 306,164.04 and 131,253.92

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Solution

The fourth proportional to 221,892.96, 306,164.04 and 131,253.92 is: 181,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,892.96 : 306,164.04 = 131,253.92 : x
  2. Step 2: Convert to fraction form
    221,892.96/306,164.04 = 131,253.92/x
  3. Step 3: Cross multiply
    221,892.96x = 306,164.04 × 131,253.92
  4. Step 4: Simplify right side
    221,892.96x = 40,185,230,413.04
  5. Step 5: Solve for x
    x = 40,185,230,413.04/221,892.96
  6. Step 6: Final answer
    x = 181,101.87

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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.