Home / 214,188.96-321,217.02-171,969.60

Finding the Fourth Proportional to 214,188.96, 321,217.02 and 171,969.60

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Solution

The fourth proportional to 214,188.96, 321,217.02 and 171,969.60 is: 257,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,188.96 : 321,217.02 = 171,969.60 : x
  2. Step 2: Convert to fraction form
    214,188.96/321,217.02 = 171,969.60/x
  3. Step 3: Cross multiply
    214,188.96x = 321,217.02 × 171,969.60
  4. Step 4: Simplify right side
    214,188.96x = 55,239,562,442.59
  5. Step 5: Solve for x
    x = 55,239,562,442.59/214,188.96
  6. Step 6: Final answer
    x = 257,901.07

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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.