Home / 165,278.62-228,083.40-89,827.12

Finding the Fourth Proportional to 165,278.62, 228,083.40 and 89,827.12

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Solution

The fourth proportional to 165,278.62, 228,083.40 and 89,827.12 is: 123,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,278.62 : 228,083.40 = 89,827.12 : x
  2. Step 2: Convert to fraction form
    165,278.62/228,083.40 = 89,827.12/x
  3. Step 3: Cross multiply
    165,278.62x = 228,083.40 × 89,827.12
  4. Step 4: Simplify right side
    165,278.62x = 20,488,074,941.81
  5. Step 5: Solve for x
    x = 20,488,074,941.81/165,278.62
  6. Step 6: Final answer
    x = 123,960.83

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1.5x scale

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.