Home / 211,963.20-317,847.60-93,573.60

Finding the Fourth Proportional to 211,963.20, 317,847.60 and 93,573.60

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Solution

The fourth proportional to 211,963.20, 317,847.60 and 93,573.60 is: 140,317.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,963.20 : 317,847.60 = 93,573.60 : x
  2. Step 2: Convert to fraction form
    211,963.20/317,847.60 = 93,573.60/x
  3. Step 3: Cross multiply
    211,963.20x = 317,847.60 × 93,573.60
  4. Step 4: Simplify right side
    211,963.20x = 29,742,144,183.36
  5. Step 5: Solve for x
    x = 29,742,144,183.36/211,963.20
  6. Step 6: Final answer
    x = 140,317.49

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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.