Home / 164,743.96-247,113.24-52,431

Finding the Fourth Proportional to 164,743.96, 247,113.24 and 52,431

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Solution

The fourth proportional to 164,743.96, 247,113.24 and 52,431 is: 78,645.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,743.96 : 247,113.24 = 52,431 : x
  2. Step 2: Convert to fraction form
    164,743.96/247,113.24 = 52,431/x
  3. Step 3: Cross multiply
    164,743.96x = 247,113.24 × 52,431
  4. Step 4: Simplify right side
    164,743.96x = 12,956,394,286.44
  5. Step 5: Solve for x
    x = 12,956,394,286.44/164,743.96
  6. Step 6: Final answer
    x = 78,645.64

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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.