Home / 214,916.80-322,221.60-96,491.20

Finding the Fourth Proportional to 214,916.80, 322,221.60 and 96,491.20

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Solution

The fourth proportional to 214,916.80, 322,221.60 and 96,491.20 is: 144,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,916.80 : 322,221.60 = 96,491.20 : x
  2. Step 2: Convert to fraction form
    214,916.80/322,221.60 = 96,491.20/x
  3. Step 3: Cross multiply
    214,916.80x = 322,221.60 × 96,491.20
  4. Step 4: Simplify right side
    214,916.80x = 31,091,548,849.92
  5. Step 5: Solve for x
    x = 31,091,548,849.92/214,916.80
  6. Step 6: Final answer
    x = 144,667.84

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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.