Home / 280,767.56-386,802.42-195,732.68

Finding the Fourth Proportional to 280,767.56, 386,802.42 and 195,732.68

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Solution

The fourth proportional to 280,767.56, 386,802.42 and 195,732.68 is: 269,653.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,767.56 : 386,802.42 = 195,732.68 : x
  2. Step 2: Convert to fraction form
    280,767.56/386,802.42 = 195,732.68/x
  3. Step 3: Cross multiply
    280,767.56x = 386,802.42 × 195,732.68
  4. Step 4: Simplify right side
    280,767.56x = 75,709,874,297.09
  5. Step 5: Solve for x
    x = 75,709,874,297.09/280,767.56
  6. Step 6: Final answer
    x = 269,653.21

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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.