Home / 196,430.28-271,073.74-107,006.28

Finding the Fourth Proportional to 196,430.28, 271,073.74 and 107,006.28

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Solution

The fourth proportional to 196,430.28, 271,073.74 and 107,006.28 is: 147,668.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,430.28 : 271,073.74 = 107,006.28 : x
  2. Step 2: Convert to fraction form
    196,430.28/271,073.74 = 107,006.28/x
  3. Step 3: Cross multiply
    196,430.28x = 271,073.74 × 107,006.28
  4. Step 4: Simplify right side
    196,430.28x = 29,006,592,523.09
  5. Step 5: Solve for x
    x = 29,006,592,523.09/196,430.28
  6. Step 6: Final answer
    x = 147,668.64

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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.