Home / 124,413.56-186,295.01-68,136.57

Finding the Fourth Proportional to 124,413.56, 186,295.01 and 68,136.57

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Solution

The fourth proportional to 124,413.56, 186,295.01 and 68,136.57 is: 102,026.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,413.56 : 186,295.01 = 68,136.57 : x
  2. Step 2: Convert to fraction form
    124,413.56/186,295.01 = 68,136.57/x
  3. Step 3: Cross multiply
    124,413.56x = 186,295.01 × 68,136.57
  4. Step 4: Simplify right side
    124,413.56x = 12,693,502,648.83
  5. Step 5: Solve for x
    x = 12,693,502,648.83/124,413.56
  6. Step 6: Final answer
    x = 102,026.69

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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.