Home / 165,674.20-228,633.02-90,222.64

Finding the Fourth Proportional to 165,674.20, 228,633.02 and 90,222.64

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Solution

The fourth proportional to 165,674.20, 228,633.02 and 90,222.64 is: 124,508.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,674.20 : 228,633.02 = 90,222.64 : x
  2. Step 2: Convert to fraction form
    165,674.20/228,633.02 = 90,222.64/x
  3. Step 3: Cross multiply
    165,674.20x = 228,633.02 × 90,222.64
  4. Step 4: Simplify right side
    165,674.20x = 20,627,874,655.57
  5. Step 5: Solve for x
    x = 20,627,874,655.57/165,674.20
  6. Step 6: Final answer
    x = 124,508.67

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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.