Home / 252,621.72-348,620.82-139,444.44

Finding the Fourth Proportional to 252,621.72, 348,620.82 and 139,444.44

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Solution

The fourth proportional to 252,621.72, 348,620.82 and 139,444.44 is: 192,434.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,621.72 : 348,620.82 = 139,444.44 : x
  2. Step 2: Convert to fraction form
    252,621.72/348,620.82 = 139,444.44/x
  3. Step 3: Cross multiply
    252,621.72x = 348,620.82 × 139,444.44
  4. Step 4: Simplify right side
    252,621.72x = 48,613,235,017.24
  5. Step 5: Solve for x
    x = 48,613,235,017.24/252,621.72
  6. Step 6: Final answer
    x = 192,434.90

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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.