Home / 144,715.03-199,731.46-84,321.47

Finding the Fourth Proportional to 144,715.03, 199,731.46 and 84,321.47

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Solution

The fourth proportional to 144,715.03, 199,731.46 and 84,321.47 is: 116,378.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,715.03 : 199,731.46 = 84,321.47 : x
  2. Step 2: Convert to fraction form
    144,715.03/199,731.46 = 84,321.47/x
  3. Step 3: Cross multiply
    144,715.03x = 199,731.46 × 84,321.47
  4. Step 4: Simplify right side
    144,715.03x = 16,841,649,102.99
  5. Step 5: Solve for x
    x = 16,841,649,102.99/144,715.03
  6. Step 6: Final answer
    x = 116,378.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.