Home / 341,531.91-512,322.46-131,169.84

Finding the Fourth Proportional to 341,531.91, 512,322.46 and 131,169.84

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Solution

The fourth proportional to 341,531.91, 512,322.46 and 131,169.84 is: 196,764.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,531.91 : 512,322.46 = 131,169.84 : x
  2. Step 2: Convert to fraction form
    341,531.91/512,322.46 = 131,169.84/x
  3. Step 3: Cross multiply
    341,531.91x = 512,322.46 × 131,169.84
  4. Step 4: Simplify right side
    341,531.91x = 67,201,255,106.61
  5. Step 5: Solve for x
    x = 67,201,255,106.61/341,531.91
  6. Step 6: Final answer
    x = 196,764.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.