Home / 144,567.64-199,499.05-80,039.75

Finding the Fourth Proportional to 144,567.64, 199,499.05 and 80,039.75

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Solution

The fourth proportional to 144,567.64, 199,499.05 and 80,039.75 is: 110,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,567.64 : 199,499.05 = 80,039.75 : x
  2. Step 2: Convert to fraction form
    144,567.64/199,499.05 = 80,039.75/x
  3. Step 3: Cross multiply
    144,567.64x = 199,499.05 × 80,039.75
  4. Step 4: Simplify right side
    144,567.64x = 15,967,854,087.24
  5. Step 5: Solve for x
    x = 15,967,854,087.24/144,567.64
  6. Step 6: Final answer
    x = 110,452.48

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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.