Home / 144,261.72-199,081.26-80,599.52

Finding the Fourth Proportional to 144,261.72, 199,081.26 and 80,599.52

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Solution

The fourth proportional to 144,261.72, 199,081.26 and 80,599.52 is: 111,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,261.72 : 199,081.26 = 80,599.52 : x
  2. Step 2: Convert to fraction form
    144,261.72/199,081.26 = 80,599.52/x
  3. Step 3: Cross multiply
    144,261.72x = 199,081.26 × 80,599.52
  4. Step 4: Simplify right side
    144,261.72x = 16,045,853,997.00
  5. Step 5: Solve for x
    x = 16,045,853,997.00/144,261.72
  6. Step 6: Final answer
    x = 111,227.39

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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.