Home / 202,022.54-278,782.68-110,139.82

Finding the Fourth Proportional to 202,022.54, 278,782.68 and 110,139.82

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Solution

The fourth proportional to 202,022.54, 278,782.68 and 110,139.82 is: 151,988.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,022.54 : 278,782.68 = 110,139.82 : x
  2. Step 2: Convert to fraction form
    202,022.54/278,782.68 = 110,139.82/x
  3. Step 3: Cross multiply
    202,022.54x = 278,782.68 × 110,139.82
  4. Step 4: Simplify right side
    202,022.54x = 30,705,074,194.32
  5. Step 5: Solve for x
    x = 30,705,074,194.32/202,022.54
  6. Step 6: Final answer
    x = 151,988.36

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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.