Home / 207,324.20-286,195.67-139,380.58

Finding the Fourth Proportional to 207,324.20, 286,195.67 and 139,380.58

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Solution

The fourth proportional to 207,324.20, 286,195.67 and 139,380.58 is: 192,404.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,324.20 : 286,195.67 = 139,380.58 : x
  2. Step 2: Convert to fraction form
    207,324.20/286,195.67 = 139,380.58/x
  3. Step 3: Cross multiply
    207,324.20x = 286,195.67 × 139,380.58
  4. Step 4: Simplify right side
    207,324.20x = 39,890,117,762.60
  5. Step 5: Solve for x
    x = 39,890,117,762.60/207,324.20
  6. Step 6: Final answer
    x = 192,404.54

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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.