Home / 144,560.70-199,489.48-80,032.81

Finding the Fourth Proportional to 144,560.70, 199,489.48 and 80,032.81

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Solution

The fourth proportional to 144,560.70, 199,489.48 and 80,032.81 is: 110,442.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,560.70 : 199,489.48 = 80,032.81 : x
  2. Step 2: Convert to fraction form
    144,560.70/199,489.48 = 80,032.81/x
  3. Step 3: Cross multiply
    144,560.70x = 199,489.48 × 80,032.81
  4. Step 4: Simplify right side
    144,560.70x = 15,965,703,775.26
  5. Step 5: Solve for x
    x = 15,965,703,775.26/144,560.70
  6. Step 6: Final answer
    x = 110,442.91

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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.