Home / 165,362.60-228,194.10-89,911.16

Finding the Fourth Proportional to 165,362.60, 228,194.10 and 89,911.16

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Solution

The fourth proportional to 165,362.60, 228,194.10 and 89,911.16 is: 124,073.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,362.60 : 228,194.10 = 89,911.16 : x
  2. Step 2: Convert to fraction form
    165,362.60/228,194.10 = 89,911.16/x
  3. Step 3: Cross multiply
    165,362.60x = 228,194.10 × 89,911.16
  4. Step 4: Simplify right side
    165,362.60x = 20,517,196,236.16
  5. Step 5: Solve for x
    x = 20,517,196,236.16/165,362.60
  6. Step 6: Final answer
    x = 124,073.98

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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.