Home / 165,247.40-228,042.06-89,795.90

Finding the Fourth Proportional to 165,247.40, 228,042.06 and 89,795.90

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Solution

The fourth proportional to 165,247.40, 228,042.06 and 89,795.90 is: 123,918.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,247.40 : 228,042.06 = 89,795.90 : x
  2. Step 2: Convert to fraction form
    165,247.40/228,042.06 = 89,795.90/x
  3. Step 3: Cross multiply
    165,247.40x = 228,042.06 × 89,795.90
  4. Step 4: Simplify right side
    165,247.40x = 20,477,242,015.55
  5. Step 5: Solve for x
    x = 20,477,242,015.55/165,247.40
  6. Step 6: Final answer
    x = 123,918.69

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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.