Home / 165,966.27-248,891.84-102,689.67

Finding the Fourth Proportional to 165,966.27, 248,891.84 and 102,689.67

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Solution

The fourth proportional to 165,966.27, 248,891.84 and 102,689.67 is: 153,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,966.27 : 248,891.84 = 102,689.67 : x
  2. Step 2: Convert to fraction form
    165,966.27/248,891.84 = 102,689.67/x
  3. Step 3: Cross multiply
    165,966.27x = 248,891.84 × 102,689.67
  4. Step 4: Simplify right side
    165,966.27x = 25,558,621,720.28
  5. Step 5: Solve for x
    x = 25,558,621,720.28/165,966.27
  6. Step 6: Final answer
    x = 153,998.90

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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.