Home / 207,732.42-311,651.08-57,972.60

Finding the Fourth Proportional to 207,732.42, 311,651.08 and 57,972.60

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Solution

The fourth proportional to 207,732.42, 311,651.08 and 57,972.60 is: 86,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,732.42 : 311,651.08 = 57,972.60 : x
  2. Step 2: Convert to fraction form
    207,732.42/311,651.08 = 57,972.60/x
  3. Step 3: Cross multiply
    207,732.42x = 311,651.08 × 57,972.60
  4. Step 4: Simplify right side
    207,732.42x = 18,067,223,400.41
  5. Step 5: Solve for x
    x = 18,067,223,400.41/207,732.42
  6. Step 6: Final answer
    x = 86,973.54

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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.