Home / 196,962.66-271,429.25-143,162.46

Finding the Fourth Proportional to 196,962.66, 271,429.25 and 143,162.46

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Solution

The fourth proportional to 196,962.66, 271,429.25 and 143,162.46 is: 197,288.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,962.66 : 271,429.25 = 143,162.46 : x
  2. Step 2: Convert to fraction form
    196,962.66/271,429.25 = 143,162.46/x
  3. Step 3: Cross multiply
    196,962.66x = 271,429.25 × 143,162.46
  4. Step 4: Simplify right side
    196,962.66x = 38,858,478,430.14
  5. Step 5: Solve for x
    x = 38,858,478,430.14/196,962.66
  6. Step 6: Final answer
    x = 197,288.55

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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.