Home / 193,161.03-289,716.93-74,751.36

Finding the Fourth Proportional to 193,161.03, 289,716.93 and 74,751.36

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Solution

The fourth proportional to 193,161.03, 289,716.93 and 74,751.36 is: 112,117.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,161.03 : 289,716.93 = 74,751.36 : x
  2. Step 2: Convert to fraction form
    193,161.03/289,716.93 = 74,751.36/x
  3. Step 3: Cross multiply
    193,161.03x = 289,716.93 × 74,751.36
  4. Step 4: Simplify right side
    193,161.03x = 21,656,734,532.52
  5. Step 5: Solve for x
    x = 21,656,734,532.52/193,161.03
  6. Step 6: Final answer
    x = 112,117.51

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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.