Home / 197,715.25-296,511.54-71,339.05

Finding the Fourth Proportional to 197,715.25, 296,511.54 and 71,339.05

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Solution

The fourth proportional to 197,715.25, 296,511.54 and 71,339.05 is: 106,986.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,715.25 : 296,511.54 = 71,339.05 : x
  2. Step 2: Convert to fraction form
    197,715.25/296,511.54 = 71,339.05/x
  3. Step 3: Cross multiply
    197,715.25x = 296,511.54 × 71,339.05
  4. Step 4: Simplify right side
    197,715.25x = 21,152,851,577.64
  5. Step 5: Solve for x
    x = 21,152,851,577.64/197,715.25
  6. Step 6: Final answer
    x = 106,986.44

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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.