Home / 252,845.97-348,927.44-139,668.72

Finding the Fourth Proportional to 252,845.97, 348,927.44 and 139,668.72

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Solution

The fourth proportional to 252,845.97, 348,927.44 and 139,668.72 is: 192,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,845.97 : 348,927.44 = 139,668.72 : x
  2. Step 2: Convert to fraction form
    252,845.97/348,927.44 = 139,668.72/x
  3. Step 3: Cross multiply
    252,845.97x = 348,927.44 × 139,668.72
  4. Step 4: Simplify right side
    252,845.97x = 48,734,248,219.33
  5. Step 5: Solve for x
    x = 48,734,248,219.33/252,845.97
  6. Step 6: Final answer
    x = 192,742.83

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1.5x scale

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.