Home / 165,720.10-248,774.55-164,553.70

Finding the Fourth Proportional to 165,720.10, 248,774.55 and 164,553.70

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Solution

The fourth proportional to 165,720.10, 248,774.55 and 164,553.70 is: 247,023.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,720.10 : 248,774.55 = 164,553.70 : x
  2. Step 2: Convert to fraction form
    165,720.10/248,774.55 = 164,553.70/x
  3. Step 3: Cross multiply
    165,720.10x = 248,774.55 × 164,553.70
  4. Step 4: Simplify right side
    165,720.10x = 40,936,772,668.34
  5. Step 5: Solve for x
    x = 40,936,772,668.34/165,720.10
  6. Step 6: Final answer
    x = 247,023.58

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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.