Home / 124,413.81-186,295.38-68,136.83

Finding the Fourth Proportional to 124,413.81, 186,295.38 and 68,136.83

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Solution

The fourth proportional to 124,413.81, 186,295.38 and 68,136.83 is: 102,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413.81 : 186,295.38 = 68,136.83 : x
  2. Step 2: Convert to fraction form
    124,413.81/186,295.38 = 68,136.83/x
  3. Step 3: Cross multiply
    124,413.81x = 186,295.38 × 68,136.83
  4. Step 4: Simplify right side
    124,413.81x = 12,693,576,636.85
  5. Step 5: Solve for x
    x = 12,693,576,636.85/124,413.81
  6. Step 6: Final answer
    x = 102,027.07

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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.