Home / 214,631.62-296,205.05-123,991.40

Finding the Fourth Proportional to 214,631.62, 296,205.05 and 123,991.40

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Solution

The fourth proportional to 214,631.62, 296,205.05 and 123,991.40 is: 171,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,631.62 : 296,205.05 = 123,991.40 : x
  2. Step 2: Convert to fraction form
    214,631.62/296,205.05 = 123,991.40/x
  3. Step 3: Cross multiply
    214,631.62x = 296,205.05 × 123,991.40
  4. Step 4: Simplify right side
    214,631.62x = 36,726,878,836.57
  5. Step 5: Solve for x
    x = 36,726,878,836.57/214,631.62
  6. Step 6: Final answer
    x = 171,115.88

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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.