Home / 119,292.38-178,933.89-40,406.60

Finding the Fourth Proportional to 119,292.38, 178,933.89 and 40,406.60

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Solution

The fourth proportional to 119,292.38, 178,933.89 and 40,406.60 is: 60,608.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,292.38 : 178,933.89 = 40,406.60 : x
  2. Step 2: Convert to fraction form
    119,292.38/178,933.89 = 40,406.60/x
  3. Step 3: Cross multiply
    119,292.38x = 178,933.89 × 40,406.60
  4. Step 4: Simplify right side
    119,292.38x = 7,230,110,718.53
  5. Step 5: Solve for x
    x = 7,230,110,718.53/119,292.38
  6. Step 6: Final answer
    x = 60,608.32

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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.