Home / 165,577.50-228,498.03-90,126.54

Finding the Fourth Proportional to 165,577.50, 228,498.03 and 90,126.54

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Solution

The fourth proportional to 165,577.50, 228,498.03 and 90,126.54 is: 124,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,577.50 : 228,498.03 = 90,126.54 : x
  2. Step 2: Convert to fraction form
    165,577.50/228,498.03 = 90,126.54/x
  3. Step 3: Cross multiply
    165,577.50x = 228,498.03 × 90,126.54
  4. Step 4: Simplify right side
    165,577.50x = 20,593,736,840.72
  5. Step 5: Solve for x
    x = 20,593,736,840.72/165,577.50
  6. Step 6: Final answer
    x = 124,375.21

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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.