Home / 165,857.91-228,703.04-112,049.50

Finding the Fourth Proportional to 165,857.91, 228,703.04 and 112,049.50

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Solution

The fourth proportional to 165,857.91, 228,703.04 and 112,049.50 is: 154,506.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,857.91 : 228,703.04 = 112,049.50 : x
  2. Step 2: Convert to fraction form
    165,857.91/228,703.04 = 112,049.50/x
  3. Step 3: Cross multiply
    165,857.91x = 228,703.04 × 112,049.50
  4. Step 4: Simplify right side
    165,857.91x = 25,626,059,576.72
  5. Step 5: Solve for x
    x = 25,626,059,576.72/165,857.91
  6. Step 6: Final answer
    x = 154,506.11

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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.