Home / 231,984.30-347,976.45-113,886.30

Finding the Fourth Proportional to 231,984.30, 347,976.45 and 113,886.30

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Solution

The fourth proportional to 231,984.30, 347,976.45 and 113,886.30 is: 170,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,984.30 : 347,976.45 = 113,886.30 : x
  2. Step 2: Convert to fraction form
    231,984.30/347,976.45 = 113,886.30/x
  3. Step 3: Cross multiply
    231,984.30x = 347,976.45 × 113,886.30
  4. Step 4: Simplify right side
    231,984.30x = 39,629,750,377.64
  5. Step 5: Solve for x
    x = 39,629,750,377.64/231,984.30
  6. Step 6: Final answer
    x = 170,829.45

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Similar ratio
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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.