Home / 120,413.03-166,169.64-69,425.52

Finding the Fourth Proportional to 120,413.03, 166,169.64 and 69,425.52

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Solution

The fourth proportional to 120,413.03, 166,169.64 and 69,425.52 is: 95,807.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,413.03 : 166,169.64 = 69,425.52 : x
  2. Step 2: Convert to fraction form
    120,413.03/166,169.64 = 69,425.52/x
  3. Step 3: Cross multiply
    120,413.03x = 166,169.64 × 69,425.52
  4. Step 4: Simplify right side
    120,413.03x = 11,536,413,665.21
  5. Step 5: Solve for x
    x = 11,536,413,665.21/120,413.03
  6. Step 6: Final answer
    x = 95,807.02

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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.