Home / 319,540.56-440,917.47-181,706.10

Finding the Fourth Proportional to 319,540.56, 440,917.47 and 181,706.10

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Solution

The fourth proportional to 319,540.56, 440,917.47 and 181,706.10 is: 250,726.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,540.56 : 440,917.47 = 181,706.10 : x
  2. Step 2: Convert to fraction form
    319,540.56/440,917.47 = 181,706.10/x
  3. Step 3: Cross multiply
    319,540.56x = 440,917.47 × 181,706.10
  4. Step 4: Simplify right side
    319,540.56x = 80,117,393,895.57
  5. Step 5: Solve for x
    x = 80,117,393,895.57/319,540.56
  6. Step 6: Final answer
    x = 250,726.84

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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.