Home / 252,957.14-349,067.15-139,772.60

Finding the Fourth Proportional to 252,957.14, 349,067.15 and 139,772.60

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Solution

The fourth proportional to 252,957.14, 349,067.15 and 139,772.60 is: 192,878.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,957.14 : 349,067.15 = 139,772.60 : x
  2. Step 2: Convert to fraction form
    252,957.14/349,067.15 = 139,772.60/x
  3. Step 3: Cross multiply
    252,957.14x = 349,067.15 × 139,772.60
  4. Step 4: Simplify right side
    252,957.14x = 48,790,023,697.35
  5. Step 5: Solve for x
    x = 48,790,023,697.35/252,957.14
  6. Step 6: Final answer
    x = 192,878.62

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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.