Home / 215,735.22-323,748.62-75,495.06

Finding the Fourth Proportional to 215,735.22, 323,748.62 and 75,495.06

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Solution

The fourth proportional to 215,735.22, 323,748.62 and 75,495.06 is: 113,293.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,735.22 : 323,748.62 = 75,495.06 : x
  2. Step 2: Convert to fraction form
    215,735.22/323,748.62 = 75,495.06/x
  3. Step 3: Cross multiply
    215,735.22x = 323,748.62 × 75,495.06
  4. Step 4: Simplify right side
    215,735.22x = 24,441,421,491.82
  5. Step 5: Solve for x
    x = 24,441,421,491.82/215,735.22
  6. Step 6: Final answer
    x = 113,293.61

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1.5x scale

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.