Home / 214,905.87-296,494.32-122,958

Finding the Fourth Proportional to 214,905.87, 296,494.32 and 122,958

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Solution

The fourth proportional to 214,905.87, 296,494.32 and 122,958 is: 169,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,905.87 : 296,494.32 = 122,958 : x
  2. Step 2: Convert to fraction form
    214,905.87/296,494.32 = 122,958/x
  3. Step 3: Cross multiply
    214,905.87x = 296,494.32 × 122,958
  4. Step 4: Simplify right side
    214,905.87x = 36,456,348,598.56
  5. Step 5: Solve for x
    x = 36,456,348,598.56/214,905.87
  6. Step 6: Final answer
    x = 169,638.68

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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.