Home / 207,611.08-311,416.82-57,851.80

Finding the Fourth Proportional to 207,611.08, 311,416.82 and 57,851.80

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Solution

The fourth proportional to 207,611.08, 311,416.82 and 57,851.80 is: 86,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,611.08 : 311,416.82 = 57,851.80 : x
  2. Step 2: Convert to fraction form
    207,611.08/311,416.82 = 57,851.80/x
  3. Step 3: Cross multiply
    207,611.08x = 311,416.82 × 57,851.80
  4. Step 4: Simplify right side
    207,611.08x = 18,016,023,587.28
  5. Step 5: Solve for x
    x = 18,016,023,587.28/207,611.08
  6. Step 6: Final answer
    x = 86,777.76

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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.