Home / 213,784.92-320,685.57-95,457.29

Finding the Fourth Proportional to 213,784.92, 320,685.57 and 95,457.29

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Solution

The fourth proportional to 213,784.92, 320,685.57 and 95,457.29 is: 143,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,784.92 : 320,685.57 = 95,457.29 : x
  2. Step 2: Convert to fraction form
    213,784.92/320,685.57 = 95,457.29/x
  3. Step 3: Cross multiply
    213,784.92x = 320,685.57 × 95,457.29
  4. Step 4: Simplify right side
    213,784.92x = 30,611,773,850.88
  5. Step 5: Solve for x
    x = 30,611,773,850.88/213,784.92
  6. Step 6: Final answer
    x = 143,189.58

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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.