Home / 221,797.14-306,102.60-131,182.44

Finding the Fourth Proportional to 221,797.14, 306,102.60 and 131,182.44

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Solution

The fourth proportional to 221,797.14, 306,102.60 and 131,182.44 is: 181,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,797.14 : 306,102.60 = 131,182.44 : x
  2. Step 2: Convert to fraction form
    221,797.14/306,102.60 = 131,182.44/x
  3. Step 3: Cross multiply
    221,797.14x = 306,102.60 × 131,182.44
  4. Step 4: Simplify right side
    221,797.14x = 40,155,285,958.34
  5. Step 5: Solve for x
    x = 40,155,285,958.34/221,797.14
  6. Step 6: Final answer
    x = 181,045.10

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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.