Home / 148,916.29-205,506.06-80,933.27

Finding the Fourth Proportional to 148,916.29, 205,506.06 and 80,933.27

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Solution

The fourth proportional to 148,916.29, 205,506.06 and 80,933.27 is: 111,688.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,916.29 : 205,506.06 = 80,933.27 : x
  2. Step 2: Convert to fraction form
    148,916.29/205,506.06 = 80,933.27/x
  3. Step 3: Cross multiply
    148,916.29x = 205,506.06 × 80,933.27
  4. Step 4: Simplify right side
    148,916.29x = 16,632,276,413.09
  5. Step 5: Solve for x
    x = 16,632,276,413.09/148,916.29
  6. Step 6: Final answer
    x = 111,688.77

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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.