Home / 181,983.22-251,133.40-101,408.96

Finding the Fourth Proportional to 181,983.22, 251,133.40 and 101,408.96

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Solution

The fourth proportional to 181,983.22, 251,133.40 and 101,408.96 is: 139,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,983.22 : 251,133.40 = 101,408.96 : x
  2. Step 2: Convert to fraction form
    181,983.22/251,133.40 = 101,408.96/x
  3. Step 3: Cross multiply
    181,983.22x = 251,133.40 × 101,408.96
  4. Step 4: Simplify right side
    181,983.22x = 25,467,176,915.26
  5. Step 5: Solve for x
    x = 25,467,176,915.26/181,983.22
  6. Step 6: Final answer
    x = 139,942.45

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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.