Home / 144,200.64-199,008.47-79,675.50

Finding the Fourth Proportional to 144,200.64, 199,008.47 and 79,675.50

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Solution

The fourth proportional to 144,200.64, 199,008.47 and 79,675.50 is: 109,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,200.64 : 199,008.47 = 79,675.50 : x
  2. Step 2: Convert to fraction form
    144,200.64/199,008.47 = 79,675.50/x
  3. Step 3: Cross multiply
    144,200.64x = 199,008.47 × 79,675.50
  4. Step 4: Simplify right side
    144,200.64x = 15,856,099,351.49
  5. Step 5: Solve for x
    x = 15,856,099,351.49/144,200.64
  6. Step 6: Final answer
    x = 109,958.59

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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.