Home / 165,626.55-228,564.66-90,175.05

Finding the Fourth Proportional to 165,626.55, 228,564.66 and 90,175.05

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Solution

The fourth proportional to 165,626.55, 228,564.66 and 90,175.05 is: 124,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,626.55 : 228,564.66 = 90,175.05 : x
  2. Step 2: Convert to fraction form
    165,626.55/228,564.66 = 90,175.05/x
  3. Step 3: Cross multiply
    165,626.55x = 228,564.66 × 90,175.05
  4. Step 4: Simplify right side
    165,626.55x = 20,610,829,643.73
  5. Step 5: Solve for x
    x = 20,610,829,643.73/165,626.55
  6. Step 6: Final answer
    x = 124,441.58

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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.