Home / 165,269.23-228,065.12-89,816.11

Finding the Fourth Proportional to 165,269.23, 228,065.12 and 89,816.11

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Solution

The fourth proportional to 165,269.23, 228,065.12 and 89,816.11 is: 123,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,269.23 : 228,065.12 = 89,816.11 : x
  2. Step 2: Convert to fraction form
    165,269.23/228,065.12 = 89,816.11/x
  3. Step 3: Cross multiply
    165,269.23x = 228,065.12 × 89,816.11
  4. Step 4: Simplify right side
    165,269.23x = 20,483,921,456.00
  5. Step 5: Solve for x
    x = 20,483,921,456.00/165,269.23
  6. Step 6: Final answer
    x = 123,942.74

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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.