Home / 144,411.08-199,287.32-80,749.04

Finding the Fourth Proportional to 144,411.08, 199,287.32 and 80,749.04

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Solution

The fourth proportional to 144,411.08, 199,287.32 and 80,749.04 is: 111,433.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,411.08 : 199,287.32 = 80,749.04 : x
  2. Step 2: Convert to fraction form
    144,411.08/199,287.32 = 80,749.04/x
  3. Step 3: Cross multiply
    144,411.08x = 199,287.32 × 80,749.04
  4. Step 4: Simplify right side
    144,411.08x = 16,092,259,774.17
  5. Step 5: Solve for x
    x = 16,092,259,774.17/144,411.08
  6. Step 6: Final answer
    x = 111,433.69

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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.