Home / 196,983.36-271,769.58-112,079.16

Finding the Fourth Proportional to 196,983.36, 271,769.58 and 112,079.16

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Solution

The fourth proportional to 196,983.36, 271,769.58 and 112,079.16 is: 154,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,983.36 : 271,769.58 = 112,079.16 : x
  2. Step 2: Convert to fraction form
    196,983.36/271,769.58 = 112,079.16/x
  3. Step 3: Cross multiply
    196,983.36x = 271,769.58 × 112,079.16
  4. Step 4: Simplify right side
    196,983.36x = 30,459,706,239.95
  5. Step 5: Solve for x
    x = 30,459,706,239.95/196,983.36
  6. Step 6: Final answer
    x = 154,630.86

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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.