Home / 252,627.56-348,625.32-139,449.50

Finding the Fourth Proportional to 252,627.56, 348,625.32 and 139,449.50

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Solution

The fourth proportional to 252,627.56, 348,625.32 and 139,449.50 is: 192,439.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,627.56 : 348,625.32 = 139,449.50 : x
  2. Step 2: Convert to fraction form
    252,627.56/348,625.32 = 139,449.50/x
  3. Step 3: Cross multiply
    252,627.56x = 348,625.32 × 139,449.50
  4. Step 4: Simplify right side
    252,627.56x = 48,615,626,561.34
  5. Step 5: Solve for x
    x = 48,615,626,561.34/252,627.56
  6. Step 6: Final answer
    x = 192,439.92

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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.