Home / 165,438.57-228,243.38-97,413.96

Finding the Fourth Proportional to 165,438.57, 228,243.38 and 97,413.96

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Solution

The fourth proportional to 165,438.57, 228,243.38 and 97,413.96 is: 134,394.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,438.57 : 228,243.38 = 97,413.96 : x
  2. Step 2: Convert to fraction form
    165,438.57/228,243.38 = 97,413.96/x
  3. Step 3: Cross multiply
    165,438.57x = 228,243.38 × 97,413.96
  4. Step 4: Simplify right side
    165,438.57x = 22,234,091,002.52
  5. Step 5: Solve for x
    x = 22,234,091,002.52/165,438.57
  6. Step 6: Final answer
    x = 134,394.85

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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.