Home / 165,262.48-228,064.68-89,811.04

Finding the Fourth Proportional to 165,262.48, 228,064.68 and 89,811.04

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Solution

The fourth proportional to 165,262.48, 228,064.68 and 89,811.04 is: 123,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,262.48 : 228,064.68 = 89,811.04 : x
  2. Step 2: Convert to fraction form
    165,262.48/228,064.68 = 89,811.04/x
  3. Step 3: Cross multiply
    165,262.48x = 228,064.68 × 89,811.04
  4. Step 4: Simplify right side
    165,262.48x = 20,482,726,098.07
  5. Step 5: Solve for x
    x = 20,482,726,098.07/165,262.48
  6. Step 6: Final answer
    x = 123,940.57

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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.