Home / 165,572.78-248,186.28-76,753.04

Finding the Fourth Proportional to 165,572.78, 248,186.28 and 76,753.04

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Solution

The fourth proportional to 165,572.78, 248,186.28 and 76,753.04 is: 115,049.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,572.78 : 248,186.28 = 76,753.04 : x
  2. Step 2: Convert to fraction form
    165,572.78/248,186.28 = 76,753.04/x
  3. Step 3: Cross multiply
    165,572.78x = 248,186.28 × 76,753.04
  4. Step 4: Simplify right side
    165,572.78x = 19,049,051,476.29
  5. Step 5: Solve for x
    x = 19,049,051,476.29/165,572.78
  6. Step 6: Final answer
    x = 115,049.41

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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.