Home / 150,745.03-208,017.73-83,671.75

Finding the Fourth Proportional to 150,745.03, 208,017.73 and 83,671.75

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Solution

The fourth proportional to 150,745.03, 208,017.73 and 83,671.75 is: 115,461.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,745.03 : 208,017.73 = 83,671.75 : x
  2. Step 2: Convert to fraction form
    150,745.03/208,017.73 = 83,671.75/x
  3. Step 3: Cross multiply
    150,745.03x = 208,017.73 × 83,671.75
  4. Step 4: Simplify right side
    150,745.03x = 17,405,207,500.13
  5. Step 5: Solve for x
    x = 17,405,207,500.13/150,745.03
  6. Step 6: Final answer
    x = 115,461.24

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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.