Home / 144,338.03-199,178.43-79,803.54

Finding the Fourth Proportional to 144,338.03, 199,178.43 and 79,803.54

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Solution

The fourth proportional to 144,338.03, 199,178.43 and 79,803.54 is: 110,124.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,338.03 : 199,178.43 = 79,803.54 : x
  2. Step 2: Convert to fraction form
    144,338.03/199,178.43 = 79,803.54/x
  3. Step 3: Cross multiply
    144,338.03x = 199,178.43 × 79,803.54
  4. Step 4: Simplify right side
    144,338.03x = 15,895,143,805.64
  5. Step 5: Solve for x
    x = 15,895,143,805.64/144,338.03
  6. Step 6: Final answer
    x = 110,124.44

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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.