Home / 325,605.18-449,336.52-189,732.36

Finding the Fourth Proportional to 325,605.18, 449,336.52 and 189,732.36

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Solution

The fourth proportional to 325,605.18, 449,336.52 and 189,732.36 is: 261,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,605.18 : 449,336.52 = 189,732.36 : x
  2. Step 2: Convert to fraction form
    325,605.18/449,336.52 = 189,732.36/x
  3. Step 3: Cross multiply
    325,605.18x = 449,336.52 × 189,732.36
  4. Step 4: Simplify right side
    325,605.18x = 85,253,678,373.79
  5. Step 5: Solve for x
    x = 85,253,678,373.79/325,605.18
  6. Step 6: Final answer
    x = 261,831.46

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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.