Home / 181,581.21-250,583.98-99,910.52

Finding the Fourth Proportional to 181,581.21, 250,583.98 and 99,910.52

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Solution

The fourth proportional to 181,581.21, 250,583.98 and 99,910.52 is: 137,877.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,581.21 : 250,583.98 = 99,910.52 : x
  2. Step 2: Convert to fraction form
    181,581.21/250,583.98 = 99,910.52/x
  3. Step 3: Cross multiply
    181,581.21x = 250,583.98 × 99,910.52
  4. Step 4: Simplify right side
    181,581.21x = 25,035,975,745.47
  5. Step 5: Solve for x
    x = 25,035,975,745.47/181,581.21
  6. Step 6: Final answer
    x = 137,877.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.