Home / 200,053.16-276,173.70-154,628.56

Finding the Fourth Proportional to 200,053.16, 276,173.70 and 154,628.56

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Solution

The fourth proportional to 200,053.16, 276,173.70 and 154,628.56 is: 213,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,053.16 : 276,173.70 = 154,628.56 : x
  2. Step 2: Convert to fraction form
    200,053.16/276,173.70 = 154,628.56/x
  3. Step 3: Cross multiply
    200,053.16x = 276,173.70 × 154,628.56
  4. Step 4: Simplify right side
    200,053.16x = 42,704,341,540.87
  5. Step 5: Solve for x
    x = 42,704,341,540.87/200,053.16
  6. Step 6: Final answer
    x = 213,464.97

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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.