Home / 323,083.04-445,896.38-185,315.72

Finding the Fourth Proportional to 323,083.04, 445,896.38 and 185,315.72

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Solution

The fourth proportional to 323,083.04, 445,896.38 and 185,315.72 is: 255,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,083.04 : 445,896.38 = 185,315.72 : x
  2. Step 2: Convert to fraction form
    323,083.04/445,896.38 = 185,315.72/x
  3. Step 3: Cross multiply
    323,083.04x = 445,896.38 × 185,315.72
  4. Step 4: Simplify right side
    323,083.04x = 82,631,610,283.12
  5. Step 5: Solve for x
    x = 82,631,610,283.12/323,083.04
  6. Step 6: Final answer
    x = 255,759.66

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1.5x scale

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.