Home / 205,092.15-307,638.23-202,327.35

Finding the Fourth Proportional to 205,092.15, 307,638.23 and 202,327.35

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Solution

The fourth proportional to 205,092.15, 307,638.23 and 202,327.35 is: 303,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,092.15 : 307,638.23 = 202,327.35 : x
  2. Step 2: Convert to fraction form
    205,092.15/307,638.23 = 202,327.35/x
  3. Step 3: Cross multiply
    205,092.15x = 307,638.23 × 202,327.35
  4. Step 4: Simplify right side
    205,092.15x = 62,243,627,834.59
  5. Step 5: Solve for x
    x = 62,243,627,834.59/205,092.15
  6. Step 6: Final answer
    x = 303,491.03

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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.