Home / 156,287.00-234,716.49-143,111.67

Finding the Fourth Proportional to 156,287.00, 234,716.49 and 143,111.67

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Solution

The fourth proportional to 156,287.00, 234,716.49 and 143,111.67 is: 214,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,287.00 : 234,716.49 = 143,111.67 : x
  2. Step 2: Convert to fraction form
    156,287.00/234,716.49 = 143,111.67/x
  3. Step 3: Cross multiply
    156,287.00x = 234,716.49 × 143,111.67
  4. Step 4: Simplify right side
    156,287.00x = 33,590,668,860.44
  5. Step 5: Solve for x
    x = 33,590,668,860.44/156,287.00
  6. Step 6: Final answer
    x = 214,929.39

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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.