Home / 341,422.11-512,199.09-131,043.65

Finding the Fourth Proportional to 341,422.11, 512,199.09 and 131,043.65

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Solution

The fourth proportional to 341,422.11, 512,199.09 and 131,043.65 is: 196,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,422.11 : 512,199.09 = 131,043.65 : x
  2. Step 2: Convert to fraction form
    341,422.11/512,199.09 = 131,043.65/x
  3. Step 3: Cross multiply
    341,422.11x = 512,199.09 × 131,043.65
  4. Step 4: Simplify right side
    341,422.11x = 67,120,435,719.28
  5. Step 5: Solve for x
    x = 67,120,435,719.28/341,422.11
  6. Step 6: Final answer
    x = 196,590.77

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1.5x scale

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.