Home / 207,572.24-311,345.40-82,823.60

Finding the Fourth Proportional to 207,572.24, 311,345.40 and 82,823.60

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Solution

The fourth proportional to 207,572.24, 311,345.40 and 82,823.60 is: 124,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,572.24 : 311,345.40 = 82,823.60 : x
  2. Step 2: Convert to fraction form
    207,572.24/311,345.40 = 82,823.60/x
  3. Step 3: Cross multiply
    207,572.24x = 311,345.40 × 82,823.60
  4. Step 4: Simplify right side
    207,572.24x = 25,786,746,871.44
  5. Step 5: Solve for x
    x = 25,786,746,871.44/207,572.24
  6. Step 6: Final answer
    x = 124,230.23

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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.