Home / 144,309.09-199,124.24-80,634.59

Finding the Fourth Proportional to 144,309.09, 199,124.24 and 80,634.59

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Solution

The fourth proportional to 144,309.09, 199,124.24 and 80,634.59 is: 111,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,309.09 : 199,124.24 = 80,634.59 : x
  2. Step 2: Convert to fraction form
    144,309.09/199,124.24 = 80,634.59/x
  3. Step 3: Cross multiply
    144,309.09x = 199,124.24 × 80,634.59
  4. Step 4: Simplify right side
    144,309.09x = 16,056,300,052.67
  5. Step 5: Solve for x
    x = 16,056,300,052.67/144,309.09
  6. Step 6: Final answer
    x = 111,263.26

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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.