Home / 211,554.33-317,263.46-111,657.03

Finding the Fourth Proportional to 211,554.33, 317,263.46 and 111,657.03

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Solution

The fourth proportional to 211,554.33, 317,263.46 and 111,657.03 is: 167,449.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,554.33 : 317,263.46 = 111,657.03 : x
  2. Step 2: Convert to fraction form
    211,554.33/317,263.46 = 111,657.03/x
  3. Step 3: Cross multiply
    211,554.33x = 317,263.46 × 111,657.03
  4. Step 4: Simplify right side
    211,554.33x = 35,424,695,112.84
  5. Step 5: Solve for x
    x = 35,424,695,112.84/211,554.33
  6. Step 6: Final answer
    x = 167,449.63

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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.