Home / 181,784.52-272,549.64-80,533.26

Finding the Fourth Proportional to 181,784.52, 272,549.64 and 80,533.26

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Solution

The fourth proportional to 181,784.52, 272,549.64 and 80,533.26 is: 120,743.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,784.52 : 272,549.64 = 80,533.26 : x
  2. Step 2: Convert to fraction form
    181,784.52/272,549.64 = 80,533.26/x
  3. Step 3: Cross multiply
    181,784.52x = 272,549.64 × 80,533.26
  4. Step 4: Simplify right side
    181,784.52x = 21,949,311,021.03
  5. Step 5: Solve for x
    x = 21,949,311,021.03/181,784.52
  6. Step 6: Final answer
    x = 120,743.57

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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.