Home / 165,556.45-248,140.23-76,622.14

Finding the Fourth Proportional to 165,556.45, 248,140.23 and 76,622.14

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Solution

The fourth proportional to 165,556.45, 248,140.23 and 76,622.14 is: 114,843.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,556.45 : 248,140.23 = 76,622.14 : x
  2. Step 2: Convert to fraction form
    165,556.45/248,140.23 = 76,622.14/x
  3. Step 3: Cross multiply
    165,556.45x = 248,140.23 × 76,622.14
  4. Step 4: Simplify right side
    165,556.45x = 19,013,035,442.69
  5. Step 5: Solve for x
    x = 19,013,035,442.69/165,556.45
  6. Step 6: Final answer
    x = 114,843.22

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1.5x scale

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.