Home / 190,661.26-285,792.31-64,257.78

Finding the Fourth Proportional to 190,661.26, 285,792.31 and 64,257.78

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Solution

The fourth proportional to 190,661.26, 285,792.31 and 64,257.78 is: 96,319.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,661.26 : 285,792.31 = 64,257.78 : x
  2. Step 2: Convert to fraction form
    190,661.26/285,792.31 = 64,257.78/x
  3. Step 3: Cross multiply
    190,661.26x = 285,792.31 × 64,257.78
  4. Step 4: Simplify right side
    190,661.26x = 18,364,379,820.29
  5. Step 5: Solve for x
    x = 18,364,379,820.29/190,661.26
  6. Step 6: Final answer
    x = 96,319.41

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1.5x scale

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.