Home / 208,973.82-313,513.77-96,735

Finding the Fourth Proportional to 208,973.82, 313,513.77 and 96,735

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Solution

The fourth proportional to 208,973.82, 313,513.77 and 96,735 is: 145,127.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,973.82 : 313,513.77 = 96,735 : x
  2. Step 2: Convert to fraction form
    208,973.82/313,513.77 = 96,735/x
  3. Step 3: Cross multiply
    208,973.82x = 313,513.77 × 96,735
  4. Step 4: Simplify right side
    208,973.82x = 30,327,754,540.95
  5. Step 5: Solve for x
    x = 30,327,754,540.95/208,973.82
  6. Step 6: Final answer
    x = 145,127.05

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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.