Home / 165,405.86-228,255.21-93,792.42

Finding the Fourth Proportional to 165,405.86, 228,255.21 and 93,792.42

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Solution

The fourth proportional to 165,405.86, 228,255.21 and 93,792.42 is: 129,430.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,405.86 : 228,255.21 = 93,792.42 : x
  2. Step 2: Convert to fraction form
    165,405.86/228,255.21 = 93,792.42/x
  3. Step 3: Cross multiply
    165,405.86x = 228,255.21 × 93,792.42
  4. Step 4: Simplify right side
    165,405.86x = 21,408,608,523.51
  5. Step 5: Solve for x
    x = 21,408,608,523.51/165,405.86
  6. Step 6: Final answer
    x = 129,430.77

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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.