Home / 165,663.78-248,470.76-53,329.14

Finding the Fourth Proportional to 165,663.78, 248,470.76 and 53,329.14

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Solution

The fourth proportional to 165,663.78, 248,470.76 and 53,329.14 is: 79,985.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,663.78 : 248,470.76 = 53,329.14 : x
  2. Step 2: Convert to fraction form
    165,663.78/248,470.76 = 53,329.14/x
  3. Step 3: Cross multiply
    165,663.78x = 248,470.76 × 53,329.14
  4. Step 4: Simplify right side
    165,663.78x = 13,250,731,679.30
  5. Step 5: Solve for x
    x = 13,250,731,679.30/165,663.78
  6. Step 6: Final answer
    x = 79,985.69

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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.