Home / 198,311.13-273,669.54-107,667.05

Finding the Fourth Proportional to 198,311.13, 273,669.54 and 107,667.05

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Solution

The fourth proportional to 198,311.13, 273,669.54 and 107,667.05 is: 148,580.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,311.13 : 273,669.54 = 107,667.05 : x
  2. Step 2: Convert to fraction form
    198,311.13/273,669.54 = 107,667.05/x
  3. Step 3: Cross multiply
    198,311.13x = 273,669.54 × 107,667.05
  4. Step 4: Simplify right side
    198,311.13x = 29,465,190,678.31
  5. Step 5: Solve for x
    x = 29,465,190,678.31/198,311.13
  6. Step 6: Final answer
    x = 148,580.62

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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.