Home / 214,631.40-296,205.16-123,991.16

Finding the Fourth Proportional to 214,631.40, 296,205.16 and 123,991.16

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Solution

The fourth proportional to 214,631.40, 296,205.16 and 123,991.16 is: 171,115.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,631.40 : 296,205.16 = 123,991.16 : x
  2. Step 2: Convert to fraction form
    214,631.40/296,205.16 = 123,991.16/x
  3. Step 3: Cross multiply
    214,631.40x = 296,205.16 × 123,991.16
  4. Step 4: Simplify right side
    214,631.40x = 36,726,821,386.39
  5. Step 5: Solve for x
    x = 36,726,821,386.39/214,631.40
  6. Step 6: Final answer
    x = 171,115.79

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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.