Home / 231,968.40-320,270.58-178,157.25

Finding the Fourth Proportional to 231,968.40, 320,270.58 and 178,157.25

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Solution

The fourth proportional to 231,968.40, 320,270.58 and 178,157.25 is: 245,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,968.40 : 320,270.58 = 178,157.25 : x
  2. Step 2: Convert to fraction form
    231,968.40/320,270.58 = 178,157.25/x
  3. Step 3: Cross multiply
    231,968.40x = 320,270.58 × 178,157.25
  4. Step 4: Simplify right side
    231,968.40x = 57,058,525,788.71
  5. Step 5: Solve for x
    x = 57,058,525,788.71/231,968.40
  6. Step 6: Final answer
    x = 245,975.43

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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.