Home / 181,828.49-272,615.93-80,571.47

Finding the Fourth Proportional to 181,828.49, 272,615.93 and 80,571.47

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Solution

The fourth proportional to 181,828.49, 272,615.93 and 80,571.47 is: 120,801.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,828.49 : 272,615.93 = 80,571.47 : x
  2. Step 2: Convert to fraction form
    181,828.49/272,615.93 = 80,571.47/x
  3. Step 3: Cross multiply
    181,828.49x = 272,615.93 × 80,571.47
  4. Step 4: Simplify right side
    181,828.49x = 21,965,066,225.52
  5. Step 5: Solve for x
    x = 21,965,066,225.52/181,828.49
  6. Step 6: Final answer
    x = 120,801.02

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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.