Home / 165,314.03-228,135.62-89,864.15

Finding the Fourth Proportional to 165,314.03, 228,135.62 and 89,864.15

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Solution

The fourth proportional to 165,314.03, 228,135.62 and 89,864.15 is: 124,013.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,314.03 : 228,135.62 = 89,864.15 : x
  2. Step 2: Convert to fraction form
    165,314.03/228,135.62 = 89,864.15/x
  3. Step 3: Cross multiply
    165,314.03x = 228,135.62 × 89,864.15
  4. Step 4: Simplify right side
    165,314.03x = 20,501,212,660.01
  5. Step 5: Solve for x
    x = 20,501,212,660.01/165,314.03
  6. Step 6: Final answer
    x = 124,013.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.