Home / 181,818.49-272,600.93-80,561.47

Finding the Fourth Proportional to 181,818.49, 272,600.93 and 80,561.47

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Solution

The fourth proportional to 181,818.49, 272,600.93 and 80,561.47 is: 120,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,818.49 : 272,600.93 = 80,561.47 : x
  2. Step 2: Convert to fraction form
    181,818.49/272,600.93 = 80,561.47/x
  3. Step 3: Cross multiply
    181,818.49x = 272,600.93 × 80,561.47
  4. Step 4: Simplify right side
    181,818.49x = 21,961,131,164.07
  5. Step 5: Solve for x
    x = 21,961,131,164.07/181,818.49
  6. Step 6: Final answer
    x = 120,786.02

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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.