Home / 181,816.20-272,468.30-144,440.20

Finding the Fourth Proportional to 181,816.20, 272,468.30 and 144,440.20

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Solution

The fourth proportional to 181,816.20, 272,468.30 and 144,440.20 is: 216,456.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,816.20 : 272,468.30 = 144,440.20 : x
  2. Step 2: Convert to fraction form
    181,816.20/272,468.30 = 144,440.20/x
  3. Step 3: Cross multiply
    181,816.20x = 272,468.30 × 144,440.20
  4. Step 4: Simplify right side
    181,816.20x = 39,355,375,745.66
  5. Step 5: Solve for x
    x = 39,355,375,745.66/181,816.20
  6. Step 6: Final answer
    x = 216,456.93

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1.5x scale

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.