Home / 341,928.20-512,738.70-131,496.20

Finding the Fourth Proportional to 341,928.20, 512,738.70 and 131,496.20

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Solution

The fourth proportional to 341,928.20, 512,738.70 and 131,496.20 is: 197,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,928.20 : 512,738.70 = 131,496.20 : x
  2. Step 2: Convert to fraction form
    341,928.20/512,738.70 = 131,496.20/x
  3. Step 3: Cross multiply
    341,928.20x = 512,738.70 × 131,496.20
  4. Step 4: Simplify right side
    341,928.20x = 67,423,190,642.94
  5. Step 5: Solve for x
    x = 67,423,190,642.94/341,928.20
  6. Step 6: Final answer
    x = 197,185.23

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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.