Home / 143,091.06-214,668.99-76,496.10

Finding the Fourth Proportional to 143,091.06, 214,668.99 and 76,496.10

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Solution

The fourth proportional to 143,091.06, 214,668.99 and 76,496.10 is: 114,761.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,091.06 : 214,668.99 = 76,496.10 : x
  2. Step 2: Convert to fraction form
    143,091.06/214,668.99 = 76,496.10/x
  3. Step 3: Cross multiply
    143,091.06x = 214,668.99 × 76,496.10
  4. Step 4: Simplify right side
    143,091.06x = 16,421,340,525.94
  5. Step 5: Solve for x
    x = 16,421,340,525.94/143,091.06
  6. Step 6: Final answer
    x = 114,761.47

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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.