Home / 205,093.15-307,639.73-202,328.35

Finding the Fourth Proportional to 205,093.15, 307,639.73 and 202,328.35

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Solution

The fourth proportional to 205,093.15, 307,639.73 and 202,328.35 is: 303,492.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,093.15 : 307,639.73 = 202,328.35 : x
  2. Step 2: Convert to fraction form
    205,093.15/307,639.73 = 202,328.35/x
  3. Step 3: Cross multiply
    205,093.15x = 307,639.73 × 202,328.35
  4. Step 4: Simplify right side
    205,093.15x = 62,244,238,965.35
  5. Step 5: Solve for x
    x = 62,244,238,965.35/205,093.15
  6. Step 6: Final answer
    x = 303,492.53

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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.