Home / 193,671.10-290,523.40-53,429.73

Finding the Fourth Proportional to 193,671.10, 290,523.40 and 53,429.73

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Solution

The fourth proportional to 193,671.10, 290,523.40 and 53,429.73 is: 80,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,671.10 : 290,523.40 = 53,429.73 : x
  2. Step 2: Convert to fraction form
    193,671.10/290,523.40 = 53,429.73/x
  3. Step 3: Cross multiply
    193,671.10x = 290,523.40 × 53,429.73
  4. Step 4: Simplify right side
    193,671.10x = 15,522,586,820.68
  5. Step 5: Solve for x
    x = 15,522,586,820.68/193,671.10
  6. Step 6: Final answer
    x = 80,149.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.