Home / 415,569.44-623,389.51-131,183.90

Finding the Fourth Proportional to 415,569.44, 623,389.51 and 131,183.90

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Solution

The fourth proportional to 415,569.44, 623,389.51 and 131,183.90 is: 196,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,569.44 : 623,389.51 = 131,183.90 : x
  2. Step 2: Convert to fraction form
    415,569.44/623,389.51 = 131,183.90/x
  3. Step 3: Cross multiply
    415,569.44x = 623,389.51 × 131,183.90
  4. Step 4: Simplify right side
    415,569.44x = 81,778,667,140.89
  5. Step 5: Solve for x
    x = 81,778,667,140.89/415,569.44
  6. Step 6: Final answer
    x = 196,787.01

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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.