Home / 410,076.63-615,389.49-170,190.73

Finding the Fourth Proportional to 410,076.63, 615,389.49 and 170,190.73

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Solution

The fourth proportional to 410,076.63, 615,389.49 and 170,190.73 is: 255,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,076.63 : 615,389.49 = 170,190.73 : x
  2. Step 2: Convert to fraction form
    410,076.63/615,389.49 = 170,190.73/x
  3. Step 3: Cross multiply
    410,076.63x = 615,389.49 × 170,190.73
  4. Step 4: Simplify right side
    410,076.63x = 104,733,586,537.43
  5. Step 5: Solve for x
    x = 104,733,586,537.43/410,076.63
  6. Step 6: Final answer
    x = 255,400.04

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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.