Home / 196,965.19-271,811.73-116,421.76

Finding the Fourth Proportional to 196,965.19, 271,811.73 and 116,421.76

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Solution

The fourth proportional to 196,965.19, 271,811.73 and 116,421.76 is: 160,661.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,965.19 : 271,811.73 = 116,421.76 : x
  2. Step 2: Convert to fraction form
    196,965.19/271,811.73 = 116,421.76/x
  3. Step 3: Cross multiply
    196,965.19x = 271,811.73 × 116,421.76
  4. Step 4: Simplify right side
    196,965.19x = 31,644,799,995.24
  5. Step 5: Solve for x
    x = 31,644,799,995.24/196,965.19
  6. Step 6: Final answer
    x = 160,661.89

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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.