Home / 144,415.08-199,292.84-80,753.04

Finding the Fourth Proportional to 144,415.08, 199,292.84 and 80,753.04

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Solution

The fourth proportional to 144,415.08, 199,292.84 and 80,753.04 is: 111,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,415.08 : 199,292.84 = 80,753.04 : x
  2. Step 2: Convert to fraction form
    144,415.08/199,292.84 = 80,753.04/x
  3. Step 3: Cross multiply
    144,415.08x = 199,292.84 × 80,753.04
  4. Step 4: Simplify right side
    144,415.08x = 16,093,502,680.23
  5. Step 5: Solve for x
    x = 16,093,502,680.23/144,415.08
  6. Step 6: Final answer
    x = 111,439.21

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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.