Home / 196,428.28-271,070.98-107,004.28

Finding the Fourth Proportional to 196,428.28, 271,070.98 and 107,004.28

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Solution

The fourth proportional to 196,428.28, 271,070.98 and 107,004.28 is: 147,665.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,428.28 : 271,070.98 = 107,004.28 : x
  2. Step 2: Convert to fraction form
    196,428.28/271,070.98 = 107,004.28/x
  3. Step 3: Cross multiply
    196,428.28x = 271,070.98 × 107,004.28
  4. Step 4: Simplify right side
    196,428.28x = 29,005,755,043.79
  5. Step 5: Solve for x
    x = 29,005,755,043.79/196,428.28
  6. Step 6: Final answer
    x = 147,665.88

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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.