Home / 299,123.10-448,553.30-112,003.38

Finding the Fourth Proportional to 299,123.10, 448,553.30 and 112,003.38

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Solution

The fourth proportional to 299,123.10, 448,553.30 and 112,003.38 is: 167,955.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,123.10 : 448,553.30 = 112,003.38 : x
  2. Step 2: Convert to fraction form
    299,123.10/448,553.30 = 112,003.38/x
  3. Step 3: Cross multiply
    299,123.10x = 448,553.30 × 112,003.38
  4. Step 4: Simplify right side
    299,123.10x = 50,239,485,150.14
  5. Step 5: Solve for x
    x = 50,239,485,150.14/299,123.10
  6. Step 6: Final answer
    x = 167,955.89

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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.