Home / 150,723.78-226,070.07-75,813.36

Finding the Fourth Proportional to 150,723.78, 226,070.07 and 75,813.36

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Solution

The fourth proportional to 150,723.78, 226,070.07 and 75,813.36 is: 113,712.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,723.78 : 226,070.07 = 75,813.36 : x
  2. Step 2: Convert to fraction form
    150,723.78/226,070.07 = 75,813.36/x
  3. Step 3: Cross multiply
    150,723.78x = 226,070.07 × 75,813.36
  4. Step 4: Simplify right side
    150,723.78x = 17,139,131,602.14
  5. Step 5: Solve for x
    x = 17,139,131,602.14/150,723.78
  6. Step 6: Final answer
    x = 113,712.19

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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.