Home / 196,844.40-271,645.20-107,420.40

Finding the Fourth Proportional to 196,844.40, 271,645.20 and 107,420.40

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Solution

The fourth proportional to 196,844.40, 271,645.20 and 107,420.40 is: 148,240.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,844.40 : 271,645.20 = 107,420.40 : x
  2. Step 2: Convert to fraction form
    196,844.40/271,645.20 = 107,420.40/x
  3. Step 3: Cross multiply
    196,844.40x = 271,645.20 × 107,420.40
  4. Step 4: Simplify right side
    196,844.40x = 29,180,236,042.08
  5. Step 5: Solve for x
    x = 29,180,236,042.08/196,844.40
  6. Step 6: Final answer
    x = 148,240.11

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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.