Home / 286,372.79-395,183.33-159,056.45

Finding the Fourth Proportional to 286,372.79, 395,183.33 and 159,056.45

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Solution

The fourth proportional to 286,372.79, 395,183.33 and 159,056.45 is: 219,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,372.79 : 395,183.33 = 159,056.45 : x
  2. Step 2: Convert to fraction form
    286,372.79/395,183.33 = 159,056.45/x
  3. Step 3: Cross multiply
    286,372.79x = 395,183.33 × 159,056.45
  4. Step 4: Simplify right side
    286,372.79x = 62,856,456,773.70
  5. Step 5: Solve for x
    x = 62,856,456,773.70/286,372.79
  6. Step 6: Final answer
    x = 219,491.72

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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.