Home / 214,316.33-321,408.86-148,181.45

Finding the Fourth Proportional to 214,316.33, 321,408.86 and 148,181.45

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Solution

The fourth proportional to 214,316.33, 321,408.86 and 148,181.45 is: 222,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,316.33 : 321,408.86 = 148,181.45 : x
  2. Step 2: Convert to fraction form
    214,316.33/321,408.86 = 148,181.45/x
  3. Step 3: Cross multiply
    214,316.33x = 321,408.86 × 148,181.45
  4. Step 4: Simplify right side
    214,316.33x = 47,626,828,569.70
  5. Step 5: Solve for x
    x = 47,626,828,569.70/214,316.33
  6. Step 6: Final answer
    x = 222,226.79

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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.