Home / 214,885.30-321,884.98-125,868.93

Finding the Fourth Proportional to 214,885.30, 321,884.98 and 125,868.93

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Solution

The fourth proportional to 214,885.30, 321,884.98 and 125,868.93 is: 188,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,885.30 : 321,884.98 = 125,868.93 : x
  2. Step 2: Convert to fraction form
    214,885.30/321,884.98 = 125,868.93/x
  3. Step 3: Cross multiply
    214,885.30x = 321,884.98 × 125,868.93
  4. Step 4: Simplify right side
    214,885.30x = 40,515,317,386.33
  5. Step 5: Solve for x
    x = 40,515,317,386.33/214,885.30
  6. Step 6: Final answer
    x = 188,543.93

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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.