Home / 252,618.72-348,616.68-139,441.44

Finding the Fourth Proportional to 252,618.72, 348,616.68 and 139,441.44

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Solution

The fourth proportional to 252,618.72, 348,616.68 and 139,441.44 is: 192,430.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,618.72 : 348,616.68 = 139,441.44 : x
  2. Step 2: Convert to fraction form
    252,618.72/348,616.68 = 139,441.44/x
  3. Step 3: Cross multiply
    252,618.72x = 348,616.68 × 139,441.44
  4. Step 4: Simplify right side
    252,618.72x = 48,611,611,867.22
  5. Step 5: Solve for x
    x = 48,611,611,867.22/252,618.72
  6. Step 6: Final answer
    x = 192,430.76

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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.