Home / 211,340.41-317,059.20-69,190.27

Finding the Fourth Proportional to 211,340.41, 317,059.20 and 69,190.27

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Solution

The fourth proportional to 211,340.41, 317,059.20 and 69,190.27 is: 103,801.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,340.41 : 317,059.20 = 69,190.27 : x
  2. Step 2: Convert to fraction form
    211,340.41/317,059.20 = 69,190.27/x
  3. Step 3: Cross multiply
    211,340.41x = 317,059.20 × 69,190.27
  4. Step 4: Simplify right side
    211,340.41x = 21,937,410,861.34
  5. Step 5: Solve for x
    x = 21,937,410,861.34/211,340.41
  6. Step 6: Final answer
    x = 103,801.31

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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.