Home / 202,327.34-279,211.69-111,683.28

Finding the Fourth Proportional to 202,327.34, 279,211.69 and 111,683.28

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Solution

The fourth proportional to 202,327.34, 279,211.69 and 111,683.28 is: 154,122.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,327.34 : 279,211.69 = 111,683.28 : x
  2. Step 2: Convert to fraction form
    202,327.34/279,211.69 = 111,683.28/x
  3. Step 3: Cross multiply
    202,327.34x = 279,211.69 × 111,683.28
  4. Step 4: Simplify right side
    202,327.34x = 31,183,277,353.54
  5. Step 5: Solve for x
    x = 31,183,277,353.54/202,327.34
  6. Step 6: Final answer
    x = 154,122.90

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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.