Home / 252,619.56-348,614.28-139,441.50

Finding the Fourth Proportional to 252,619.56, 348,614.28 and 139,441.50

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Solution

The fourth proportional to 252,619.56, 348,614.28 and 139,441.50 is: 192,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,619.56 : 348,614.28 = 139,441.50 : x
  2. Step 2: Convert to fraction form
    252,619.56/348,614.28 = 139,441.50/x
  3. Step 3: Cross multiply
    252,619.56x = 348,614.28 × 139,441.50
  4. Step 4: Simplify right side
    252,619.56x = 48,611,298,124.62
  5. Step 5: Solve for x
    x = 48,611,298,124.62/252,619.56
  6. Step 6: Final answer
    x = 192,428.88

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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.