Home / 231,986.30-347,979.45-113,888.30

Finding the Fourth Proportional to 231,986.30, 347,979.45 and 113,888.30

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Solution

The fourth proportional to 231,986.30, 347,979.45 and 113,888.30 is: 170,832.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,986.30 : 347,979.45 = 113,888.30 : x
  2. Step 2: Convert to fraction form
    231,986.30/347,979.45 = 113,888.30/x
  3. Step 3: Cross multiply
    231,986.30x = 347,979.45 × 113,888.30
  4. Step 4: Simplify right side
    231,986.30x = 39,630,787,995.44
  5. Step 5: Solve for x
    x = 39,630,787,995.44/231,986.30
  6. Step 6: Final answer
    x = 170,832.45

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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.