Home / 144,464.03-199,361.63-80,807.75

Finding the Fourth Proportional to 144,464.03, 199,361.63 and 80,807.75

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Solution

The fourth proportional to 144,464.03, 199,361.63 and 80,807.75 is: 111,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,464.03 : 199,361.63 = 80,807.75 : x
  2. Step 2: Convert to fraction form
    144,464.03/199,361.63 = 80,807.75/x
  3. Step 3: Cross multiply
    144,464.03x = 199,361.63 × 80,807.75
  4. Step 4: Simplify right side
    144,464.03x = 16,109,964,352.59
  5. Step 5: Solve for x
    x = 16,109,964,352.59/144,464.03
  6. Step 6: Final answer
    x = 111,515.40

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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.