Home / 144,772.58-199,781.33-80,239.07

Finding the Fourth Proportional to 144,772.58, 199,781.33 and 80,239.07

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Solution

The fourth proportional to 144,772.58, 199,781.33 and 80,239.07 is: 110,727.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,772.58 : 199,781.33 = 80,239.07 : x
  2. Step 2: Convert to fraction form
    144,772.58/199,781.33 = 80,239.07/x
  3. Step 3: Cross multiply
    144,772.58x = 199,781.33 × 80,239.07
  4. Step 4: Simplify right side
    144,772.58x = 16,030,268,220.82
  5. Step 5: Solve for x
    x = 16,030,268,220.82/144,772.58
  6. Step 6: Final answer
    x = 110,727.24

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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.