Home / 165,222.82-228,018.77-93,603.43

Finding the Fourth Proportional to 165,222.82, 228,018.77 and 93,603.43

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Solution

The fourth proportional to 165,222.82, 228,018.77 and 93,603.43 is: 129,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,222.82 : 228,018.77 = 93,603.43 : x
  2. Step 2: Convert to fraction form
    165,222.82/228,018.77 = 93,603.43/x
  3. Step 3: Cross multiply
    165,222.82x = 228,018.77 × 93,603.43
  4. Step 4: Simplify right side
    165,222.82x = 21,343,338,976.38
  5. Step 5: Solve for x
    x = 21,343,338,976.38/165,222.82
  6. Step 6: Final answer
    x = 129,179.12

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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.