Home / 198,015.84-273,173.31-117,446.76

Finding the Fourth Proportional to 198,015.84, 273,173.31 and 117,446.76

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Solution

The fourth proportional to 198,015.84, 273,173.31 and 117,446.76 is: 162,024.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,015.84 : 273,173.31 = 117,446.76 : x
  2. Step 2: Convert to fraction form
    198,015.84/273,173.31 = 117,446.76/x
  3. Step 3: Cross multiply
    198,015.84x = 273,173.31 × 117,446.76
  4. Step 4: Simplify right side
    198,015.84x = 32,083,320,177.98
  5. Step 5: Solve for x
    x = 32,083,320,177.98/198,015.84
  6. Step 6: Final answer
    x = 162,024.01

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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.