Home / 285,188.56-393,316.04-171,986.64

Finding the Fourth Proportional to 285,188.56, 393,316.04 and 171,986.64

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Solution

The fourth proportional to 285,188.56, 393,316.04 and 171,986.64 is: 237,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,188.56 : 393,316.04 = 171,986.64 : x
  2. Step 2: Convert to fraction form
    285,188.56/393,316.04 = 171,986.64/x
  3. Step 3: Cross multiply
    285,188.56x = 393,316.04 × 171,986.64
  4. Step 4: Simplify right side
    285,188.56x = 67,645,104,177.71
  5. Step 5: Solve for x
    x = 67,645,104,177.71/285,188.56
  6. Step 6: Final answer
    x = 237,194.31

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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.