Home / 198,389.02-273,860.58-133,945.56

Finding the Fourth Proportional to 198,389.02, 273,860.58 and 133,945.56

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Solution

The fourth proportional to 198,389.02, 273,860.58 and 133,945.56 is: 184,901.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,389.02 : 273,860.58 = 133,945.56 : x
  2. Step 2: Convert to fraction form
    198,389.02/273,860.58 = 133,945.56/x
  3. Step 3: Cross multiply
    198,389.02x = 273,860.58 × 133,945.56
  4. Step 4: Simplify right side
    198,389.02x = 36,682,408,750.02
  5. Step 5: Solve for x
    x = 36,682,408,750.02/198,389.02
  6. Step 6: Final answer
    x = 184,901.41

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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.