Home / 165,246.18-228,039.75-89,794.50

Finding the Fourth Proportional to 165,246.18, 228,039.75 and 89,794.50

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Solution

The fourth proportional to 165,246.18, 228,039.75 and 89,794.50 is: 123,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,246.18 : 228,039.75 = 89,794.50 : x
  2. Step 2: Convert to fraction form
    165,246.18/228,039.75 = 89,794.50/x
  3. Step 3: Cross multiply
    165,246.18x = 228,039.75 × 89,794.50
  4. Step 4: Simplify right side
    165,246.18x = 20,476,715,331.38
  5. Step 5: Solve for x
    x = 20,476,715,331.38/165,246.18
  6. Step 6: Final answer
    x = 123,916.42

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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.