Home / 445,165.10-614,540.58-254,141.54

Finding the Fourth Proportional to 445,165.10, 614,540.58 and 254,141.54

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Solution

The fourth proportional to 445,165.10, 614,540.58 and 254,141.54 is: 350,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,165.10 : 614,540.58 = 254,141.54 : x
  2. Step 2: Convert to fraction form
    445,165.10/614,540.58 = 254,141.54/x
  3. Step 3: Cross multiply
    445,165.10x = 614,540.58 × 254,141.54
  4. Step 4: Simplify right side
    445,165.10x = 156,180,289,393.69
  5. Step 5: Solve for x
    x = 156,180,289,393.69/445,165.10
  6. Step 6: Final answer
    x = 350,836.78

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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.