Home / 165,698.16-228,663.42-90,246.66

Finding the Fourth Proportional to 165,698.16, 228,663.42 and 90,246.66

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Solution

The fourth proportional to 165,698.16, 228,663.42 and 90,246.66 is: 124,540.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,698.16 : 228,663.42 = 90,246.66 : x
  2. Step 2: Convert to fraction form
    165,698.16/228,663.42 = 90,246.66/x
  3. Step 3: Cross multiply
    165,698.16x = 228,663.42 × 90,246.66
  4. Step 4: Simplify right side
    165,698.16x = 20,636,109,919.18
  5. Step 5: Solve for x
    x = 20,636,109,919.18/165,698.16
  6. Step 6: Final answer
    x = 124,540.37

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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.