Home / 227,150.10-340,069.05-138,576.60

Finding the Fourth Proportional to 227,150.10, 340,069.05 and 138,576.60

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Solution

The fourth proportional to 227,150.10, 340,069.05 and 138,576.60 is: 207,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,150.10 : 340,069.05 = 138,576.60 : x
  2. Step 2: Convert to fraction form
    227,150.10/340,069.05 = 138,576.60/x
  3. Step 3: Cross multiply
    227,150.10x = 340,069.05 × 138,576.60
  4. Step 4: Simplify right side
    227,150.10x = 47,125,612,714.23
  5. Step 5: Solve for x
    x = 47,125,612,714.23/227,150.10
  6. Step 6: Final answer
    x = 207,464.64

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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.