Home / 341,736.90-512,605.35-199,436.10

Finding the Fourth Proportional to 341,736.90, 512,605.35 and 199,436.10

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Solution

The fourth proportional to 341,736.90, 512,605.35 and 199,436.10 is: 299,154.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,736.90 : 512,605.35 = 199,436.10 : x
  2. Step 2: Convert to fraction form
    341,736.90/512,605.35 = 199,436.10/x
  3. Step 3: Cross multiply
    341,736.90x = 512,605.35 × 199,436.10
  4. Step 4: Simplify right side
    341,736.90x = 102,232,011,843.14
  5. Step 5: Solve for x
    x = 102,232,011,843.14/341,736.90
  6. Step 6: Final answer
    x = 299,154.15

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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.