Home / 181,838.81-272,631.44-80,581.73

Finding the Fourth Proportional to 181,838.81, 272,631.44 and 80,581.73

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Solution

The fourth proportional to 181,838.81, 272,631.44 and 80,581.73 is: 120,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,838.81 : 272,631.44 = 80,581.73 : x
  2. Step 2: Convert to fraction form
    181,838.81/272,631.44 = 80,581.73/x
  3. Step 3: Cross multiply
    181,838.81x = 272,631.44 × 80,581.73
  4. Step 4: Simplify right side
    181,838.81x = 21,969,111,321.53
  5. Step 5: Solve for x
    x = 21,969,111,321.53/181,838.81
  6. Step 6: Final answer
    x = 120,816.41

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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.