Home / 181,420.66-250,273.30-117,778.42

Finding the Fourth Proportional to 181,420.66, 250,273.30 and 117,778.42

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Solution

The fourth proportional to 181,420.66, 250,273.30 and 117,778.42 is: 162,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,420.66 : 250,273.30 = 117,778.42 : x
  2. Step 2: Convert to fraction form
    181,420.66/250,273.30 = 117,778.42/x
  3. Step 3: Cross multiply
    181,420.66x = 250,273.30 × 117,778.42
  4. Step 4: Simplify right side
    181,420.66x = 29,476,792,296.37
  5. Step 5: Solve for x
    x = 29,476,792,296.37/181,420.66
  6. Step 6: Final answer
    x = 162,477.60

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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.