Home / 196,908.57-271,565.87-166,429.08

Finding the Fourth Proportional to 196,908.57, 271,565.87 and 166,429.08

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Solution

The fourth proportional to 196,908.57, 271,565.87 and 166,429.08 is: 229,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,908.57 : 271,565.87 = 166,429.08 : x
  2. Step 2: Convert to fraction form
    196,908.57/271,565.87 = 166,429.08/x
  3. Step 3: Cross multiply
    196,908.57x = 271,565.87 × 166,429.08
  4. Step 4: Simplify right side
    196,908.57x = 45,196,457,071.35
  5. Step 5: Solve for x
    x = 45,196,457,071.35/196,908.57
  6. Step 6: Final answer
    x = 229,530.17

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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.