Home / 144,524.08-199,437.24-79,112.44

Finding the Fourth Proportional to 144,524.08, 199,437.24 and 79,112.44

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Solution

The fourth proportional to 144,524.08, 199,437.24 and 79,112.44 is: 109,171.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,524.08 : 199,437.24 = 79,112.44 : x
  2. Step 2: Convert to fraction form
    144,524.08/199,437.24 = 79,112.44/x
  3. Step 3: Cross multiply
    144,524.08x = 199,437.24 × 79,112.44
  4. Step 4: Simplify right side
    144,524.08x = 15,777,966,683.27
  5. Step 5: Solve for x
    x = 15,777,966,683.27/144,524.08
  6. Step 6: Final answer
    x = 109,171.89

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1.5x scale

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.