Home / 165,260.48-228,061.92-89,809.04

Finding the Fourth Proportional to 165,260.48, 228,061.92 and 89,809.04

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Solution

The fourth proportional to 165,260.48, 228,061.92 and 89,809.04 is: 123,937.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,260.48 : 228,061.92 = 89,809.04 : x
  2. Step 2: Convert to fraction form
    165,260.48/228,061.92 = 89,809.04/x
  3. Step 3: Cross multiply
    165,260.48x = 228,061.92 × 89,809.04
  4. Step 4: Simplify right side
    165,260.48x = 20,482,022,095.76
  5. Step 5: Solve for x
    x = 20,482,022,095.76/165,260.48
  6. Step 6: Final answer
    x = 123,937.81

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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.