Home / 211,943.52-317,961.36-64,211.04

Finding the Fourth Proportional to 211,943.52, 317,961.36 and 64,211.04

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Solution

The fourth proportional to 211,943.52, 317,961.36 and 64,211.04 is: 96,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,943.52 : 317,961.36 = 64,211.04 : x
  2. Step 2: Convert to fraction form
    211,943.52/317,961.36 = 64,211.04/x
  3. Step 3: Cross multiply
    211,943.52x = 317,961.36 × 64,211.04
  4. Step 4: Simplify right side
    211,943.52x = 20,416,629,605.41
  5. Step 5: Solve for x
    x = 20,416,629,605.41/211,943.52
  6. Step 6: Final answer
    x = 96,330.52

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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.