Home / 111,413.14-167,225.81-69,165.35

Finding the Fourth Proportional to 111,413.14, 167,225.81 and 69,165.35

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Solution

The fourth proportional to 111,413.14, 167,225.81 and 69,165.35 is: 103,813.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,413.14 : 167,225.81 = 69,165.35 : x
  2. Step 2: Convert to fraction form
    111,413.14/167,225.81 = 69,165.35/x
  3. Step 3: Cross multiply
    111,413.14x = 167,225.81 × 69,165.35
  4. Step 4: Simplify right side
    111,413.14x = 11,566,231,677.68
  5. Step 5: Solve for x
    x = 11,566,231,677.68/111,413.14
  6. Step 6: Final answer
    x = 103,813.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.