Home / 144,324.51-199,173.99-80,662.32

Finding the Fourth Proportional to 144,324.51, 199,173.99 and 80,662.32

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Solution

The fourth proportional to 144,324.51, 199,173.99 and 80,662.32 is: 111,317.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,324.51 : 199,173.99 = 80,662.32 : x
  2. Step 2: Convert to fraction form
    144,324.51/199,173.99 = 80,662.32/x
  3. Step 3: Cross multiply
    144,324.51x = 199,173.99 × 80,662.32
  4. Step 4: Simplify right side
    144,324.51x = 16,065,836,117.06
  5. Step 5: Solve for x
    x = 16,065,836,117.06/144,324.51
  6. Step 6: Final answer
    x = 111,317.45

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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.