Home / 214,701.96-321,646.86-205,693.32

Finding the Fourth Proportional to 214,701.96, 321,646.86 and 205,693.32

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Solution

The fourth proportional to 214,701.96, 321,646.86 and 205,693.32 is: 308,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,701.96 : 321,646.86 = 205,693.32 : x
  2. Step 2: Convert to fraction form
    214,701.96/321,646.86 = 205,693.32/x
  3. Step 3: Cross multiply
    214,701.96x = 321,646.86 × 205,693.32
  4. Step 4: Simplify right side
    214,701.96x = 66,160,610,500.98
  5. Step 5: Solve for x
    x = 66,160,610,500.98/214,701.96
  6. Step 6: Final answer
    x = 308,150.94

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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.