Home / 200,065.14-276,079.66-109,403.48

Finding the Fourth Proportional to 200,065.14, 276,079.66 and 109,403.48

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Solution

The fourth proportional to 200,065.14, 276,079.66 and 109,403.48 is: 150,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,065.14 : 276,079.66 = 109,403.48 : x
  2. Step 2: Convert to fraction form
    200,065.14/276,079.66 = 109,403.48/x
  3. Step 3: Cross multiply
    200,065.14x = 276,079.66 × 109,403.48
  4. Step 4: Simplify right side
    200,065.14x = 30,204,075,977.91
  5. Step 5: Solve for x
    x = 30,204,075,977.91/200,065.14
  6. Step 6: Final answer
    x = 150,971.21

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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.