Home / 214,855.04-321,673.53-178,539.89

Finding the Fourth Proportional to 214,855.04, 321,673.53 and 178,539.89

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Solution

The fourth proportional to 214,855.04, 321,673.53 and 178,539.89 is: 267,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,855.04 : 321,673.53 = 178,539.89 : x
  2. Step 2: Convert to fraction form
    214,855.04/321,673.53 = 178,539.89/x
  3. Step 3: Cross multiply
    214,855.04x = 321,673.53 × 178,539.89
  4. Step 4: Simplify right side
    214,855.04x = 57,431,556,662.11
  5. Step 5: Solve for x
    x = 57,431,556,662.11/214,855.04
  6. Step 6: Final answer
    x = 267,303.74

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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.