Home / 207,615.50-311,445.12-95,276.60

Finding the Fourth Proportional to 207,615.50, 311,445.12 and 95,276.60

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Solution

The fourth proportional to 207,615.50, 311,445.12 and 95,276.60 is: 142,924.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,615.50 : 311,445.12 = 95,276.60 : x
  2. Step 2: Convert to fraction form
    207,615.50/311,445.12 = 95,276.60/x
  3. Step 3: Cross multiply
    207,615.50x = 311,445.12 × 95,276.60
  4. Step 4: Simplify right side
    207,615.50x = 29,673,432,120.19
  5. Step 5: Solve for x
    x = 29,673,432,120.19/207,615.50
  6. Step 6: Final answer
    x = 142,924.94

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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.