Home / 198,200.17-273,516.42-113,319.01

Finding the Fourth Proportional to 198,200.17, 273,516.42 and 113,319.01

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Solution

The fourth proportional to 198,200.17, 273,516.42 and 113,319.01 is: 156,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,200.17 : 273,516.42 = 113,319.01 : x
  2. Step 2: Convert to fraction form
    198,200.17/273,516.42 = 113,319.01/x
  3. Step 3: Cross multiply
    198,200.17x = 273,516.42 × 113,319.01
  4. Step 4: Simplify right side
    198,200.17x = 30,994,609,933.14
  5. Step 5: Solve for x
    x = 30,994,609,933.14/198,200.17
  6. Step 6: Final answer
    x = 156,380.34

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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.