Home / 202,327.37-279,211.78-111,683.35

Finding the Fourth Proportional to 202,327.37, 279,211.78 and 111,683.35

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Solution

The fourth proportional to 202,327.37, 279,211.78 and 111,683.35 is: 154,123.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,327.37 : 279,211.78 = 111,683.35 : x
  2. Step 2: Convert to fraction form
    202,327.37/279,211.78 = 111,683.35/x
  3. Step 3: Cross multiply
    202,327.37x = 279,211.78 × 111,683.35
  4. Step 4: Simplify right side
    202,327.37x = 31,183,306,949.86
  5. Step 5: Solve for x
    x = 31,183,306,949.86/202,327.37
  6. Step 6: Final answer
    x = 154,123.03

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1.5x scale

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.