Home / 181,625.50-272,435.51-81,715.14

Finding the Fourth Proportional to 181,625.50, 272,435.51 and 81,715.14

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Solution

The fourth proportional to 181,625.50, 272,435.51 and 81,715.14 is: 122,571.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,625.50 : 272,435.51 = 81,715.14 : x
  2. Step 2: Convert to fraction form
    181,625.50/272,435.51 = 81,715.14/x
  3. Step 3: Cross multiply
    181,625.50x = 272,435.51 × 81,715.14
  4. Step 4: Simplify right side
    181,625.50x = 22,262,106,044.91
  5. Step 5: Solve for x
    x = 22,262,106,044.91/181,625.50
  6. Step 6: Final answer
    x = 122,571.48

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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.