Home / 165,237.14-228,029.04-89,785.64

Finding the Fourth Proportional to 165,237.14, 228,029.04 and 89,785.64

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Solution

The fourth proportional to 165,237.14, 228,029.04 and 89,785.64 is: 123,905.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,237.14 : 228,029.04 = 89,785.64 : x
  2. Step 2: Convert to fraction form
    165,237.14/228,029.04 = 89,785.64/x
  3. Step 3: Cross multiply
    165,237.14x = 228,029.04 × 89,785.64
  4. Step 4: Simplify right side
    165,237.14x = 20,473,733,294.99
  5. Step 5: Solve for x
    x = 20,473,733,294.99/165,237.14
  6. Step 6: Final answer
    x = 123,905.15

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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.