Home / 108,556.75-162,838.32-92,661.56

Finding the Fourth Proportional to 108,556.75, 162,838.32 and 92,661.56

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Solution

The fourth proportional to 108,556.75, 162,838.32 and 92,661.56 is: 138,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,556.75 : 162,838.32 = 92,661.56 : x
  2. Step 2: Convert to fraction form
    108,556.75/162,838.32 = 92,661.56/x
  3. Step 3: Cross multiply
    108,556.75x = 162,838.32 × 92,661.56
  4. Step 4: Simplify right side
    108,556.75x = 15,088,852,758.98
  5. Step 5: Solve for x
    x = 15,088,852,758.98/108,556.75
  6. Step 6: Final answer
    x = 138,995.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.