Home / 150,603.36-207,835.38-82,623.81

Finding the Fourth Proportional to 150,603.36, 207,835.38 and 82,623.81

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Solution

The fourth proportional to 150,603.36, 207,835.38 and 82,623.81 is: 114,022.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,603.36 : 207,835.38 = 82,623.81 : x
  2. Step 2: Convert to fraction form
    150,603.36/207,835.38 = 82,623.81/x
  3. Step 3: Cross multiply
    150,603.36x = 207,835.38 × 82,623.81
  4. Step 4: Simplify right side
    150,603.36x = 17,172,150,967.16
  5. Step 5: Solve for x
    x = 17,172,150,967.16/150,603.36
  6. Step 6: Final answer
    x = 114,022.36

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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.