Home / 285,497.44-393,999.37-158,173.04

Finding the Fourth Proportional to 285,497.44, 393,999.37 and 158,173.04

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Solution

The fourth proportional to 285,497.44, 393,999.37 and 158,173.04 is: 218,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,497.44 : 393,999.37 = 158,173.04 : x
  2. Step 2: Convert to fraction form
    285,497.44/393,999.37 = 158,173.04/x
  3. Step 3: Cross multiply
    285,497.44x = 393,999.37 × 158,173.04
  4. Step 4: Simplify right side
    285,497.44x = 62,320,078,700.55
  5. Step 5: Solve for x
    x = 62,320,078,700.55/285,497.44
  6. Step 6: Final answer
    x = 218,285.95

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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.