Home / 114,317.12-171,738.48-80,660.60

Finding the Fourth Proportional to 114,317.12, 171,738.48 and 80,660.60

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Solution

The fourth proportional to 114,317.12, 171,738.48 and 80,660.60 is: 121,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,317.12 : 171,738.48 = 80,660.60 : x
  2. Step 2: Convert to fraction form
    114,317.12/171,738.48 = 80,660.60/x
  3. Step 3: Cross multiply
    114,317.12x = 171,738.48 × 80,660.60
  4. Step 4: Simplify right side
    114,317.12x = 13,852,528,839.89
  5. Step 5: Solve for x
    x = 13,852,528,839.89/114,317.12
  6. Step 6: Final answer
    x = 121,176.33

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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.