Home / 224,199.12-309,219.82-143,634.13

Finding the Fourth Proportional to 224,199.12, 309,219.82 and 143,634.13

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Solution

The fourth proportional to 224,199.12, 309,219.82 and 143,634.13 is: 198,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,199.12 : 309,219.82 = 143,634.13 : x
  2. Step 2: Convert to fraction form
    224,199.12/309,219.82 = 143,634.13/x
  3. Step 3: Cross multiply
    224,199.12x = 309,219.82 × 143,634.13
  4. Step 4: Simplify right side
    224,199.12x = 44,414,519,824.46
  5. Step 5: Solve for x
    x = 44,414,519,824.46/224,199.12
  6. Step 6: Final answer
    x = 198,103.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.