Home / 211,696.10-317,572.29-111,860.36

Finding the Fourth Proportional to 211,696.10, 317,572.29 and 111,860.36

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Solution

The fourth proportional to 211,696.10, 317,572.29 and 111,860.36 is: 167,805.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,696.10 : 317,572.29 = 111,860.36 : x
  2. Step 2: Convert to fraction form
    211,696.10/317,572.29 = 111,860.36/x
  3. Step 3: Cross multiply
    211,696.10x = 317,572.29 × 111,860.36
  4. Step 4: Simplify right side
    211,696.10x = 35,523,749,097.56
  5. Step 5: Solve for x
    x = 35,523,749,097.56/211,696.10
  6. Step 6: Final answer
    x = 167,805.41

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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.