Home / 196,994.16-271,811.64-116,381.28

Finding the Fourth Proportional to 196,994.16, 271,811.64 and 116,381.28

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Solution

The fourth proportional to 196,994.16, 271,811.64 and 116,381.28 is: 160,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,994.16 : 271,811.64 = 116,381.28 : x
  2. Step 2: Convert to fraction form
    196,994.16/271,811.64 = 116,381.28/x
  3. Step 3: Cross multiply
    196,994.16x = 271,811.64 × 116,381.28
  4. Step 4: Simplify right side
    196,994.16x = 31,633,786,582.10
  5. Step 5: Solve for x
    x = 31,633,786,582.10/196,994.16
  6. Step 6: Final answer
    x = 160,582.36

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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.