Home / 114,556.94-171,961.12-91,015.81

Finding the Fourth Proportional to 114,556.94, 171,961.12 and 91,015.81

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Solution

The fourth proportional to 114,556.94, 171,961.12 and 91,015.81 is: 136,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,556.94 : 171,961.12 = 91,015.81 : x
  2. Step 2: Convert to fraction form
    114,556.94/171,961.12 = 91,015.81/x
  3. Step 3: Cross multiply
    114,556.94x = 171,961.12 × 91,015.81
  4. Step 4: Simplify right side
    114,556.94x = 15,651,180,170.23
  5. Step 5: Solve for x
    x = 15,651,180,170.23/114,556.94
  6. Step 6: Final answer
    x = 136,623.58

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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.