Home / 196,617.40-271,342.38-107,199.16

Finding the Fourth Proportional to 196,617.40, 271,342.38 and 107,199.16

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Solution

The fourth proportional to 196,617.40, 271,342.38 and 107,199.16 is: 147,940.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,617.40 : 271,342.38 = 107,199.16 : x
  2. Step 2: Convert to fraction form
    196,617.40/271,342.38 = 107,199.16/x
  3. Step 3: Cross multiply
    196,617.40x = 271,342.38 × 107,199.16
  4. Step 4: Simplify right side
    196,617.40x = 29,087,675,208.40
  5. Step 5: Solve for x
    x = 29,087,675,208.40/196,617.40
  6. Step 6: Final answer
    x = 147,940.49

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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.