Home / 341,519.28-512,426.64-131,108.32

Finding the Fourth Proportional to 341,519.28, 512,426.64 and 131,108.32

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Solution

The fourth proportional to 341,519.28, 512,426.64 and 131,108.32 is: 196,719.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,519.28 : 512,426.64 = 131,108.32 : x
  2. Step 2: Convert to fraction form
    341,519.28/512,426.64 = 131,108.32/x
  3. Step 3: Cross multiply
    341,519.28x = 512,426.64 × 131,108.32
  4. Step 4: Simplify right side
    341,519.28x = 67,183,395,893.64
  5. Step 5: Solve for x
    x = 67,183,395,893.64/341,519.28
  6. Step 6: Final answer
    x = 196,719.19

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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.