Home / 170,277.78-255,022.98-164,372.88

Finding the Fourth Proportional to 170,277.78, 255,022.98 and 164,372.88

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Solution

The fourth proportional to 170,277.78, 255,022.98 and 164,372.88 is: 246,179.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,277.78 : 255,022.98 = 164,372.88 : x
  2. Step 2: Convert to fraction form
    170,277.78/255,022.98 = 164,372.88/x
  3. Step 3: Cross multiply
    170,277.78x = 255,022.98 × 164,372.88
  4. Step 4: Simplify right side
    170,277.78x = 41,918,861,688.78
  5. Step 5: Solve for x
    x = 41,918,861,688.78/170,277.78
  6. Step 6: Final answer
    x = 246,179.28

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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.