Home / 215,986.20-297,796.17-177,611.64

Finding the Fourth Proportional to 215,986.20, 297,796.17 and 177,611.64

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Solution

The fourth proportional to 215,986.20, 297,796.17 and 177,611.64 is: 244,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,986.20 : 297,796.17 = 177,611.64 : x
  2. Step 2: Convert to fraction form
    215,986.20/297,796.17 = 177,611.64/x
  3. Step 3: Cross multiply
    215,986.20x = 297,796.17 × 177,611.64
  4. Step 4: Simplify right side
    215,986.20x = 52,892,066,139.42
  5. Step 5: Solve for x
    x = 52,892,066,139.42/215,986.20
  6. Step 6: Final answer
    x = 244,886.32

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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.