Home / 181,946.40-272,919.60-111,865.20

Finding the Fourth Proportional to 181,946.40, 272,919.60 and 111,865.20

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Solution

The fourth proportional to 181,946.40, 272,919.60 and 111,865.20 is: 167,797.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,946.40 : 272,919.60 = 111,865.20 : x
  2. Step 2: Convert to fraction form
    181,946.40/272,919.60 = 111,865.20/x
  3. Step 3: Cross multiply
    181,946.40x = 272,919.60 × 111,865.20
  4. Step 4: Simplify right side
    181,946.40x = 30,530,205,637.92
  5. Step 5: Solve for x
    x = 30,530,205,637.92/181,946.40
  6. Step 6: Final answer
    x = 167,797.80

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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.