Home / 192,171.09-265,175.87-111,582.84

Finding the Fourth Proportional to 192,171.09, 265,175.87 and 111,582.84

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Solution

The fourth proportional to 192,171.09, 265,175.87 and 111,582.84 is: 153,972.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,171.09 : 265,175.87 = 111,582.84 : x
  2. Step 2: Convert to fraction form
    192,171.09/265,175.87 = 111,582.84/x
  3. Step 3: Cross multiply
    192,171.09x = 265,175.87 × 111,582.84
  4. Step 4: Simplify right side
    192,171.09x = 29,589,076,674.07
  5. Step 5: Solve for x
    x = 29,589,076,674.07/192,171.09
  6. Step 6: Final answer
    x = 153,972.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.