Home / 200,145.96-276,164.91-114,101.28

Finding the Fourth Proportional to 200,145.96, 276,164.91 and 114,101.28

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Solution

The fourth proportional to 200,145.96, 276,164.91 and 114,101.28 is: 157,438.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,145.96 : 276,164.91 = 114,101.28 : x
  2. Step 2: Convert to fraction form
    200,145.96/276,164.91 = 114,101.28/x
  3. Step 3: Cross multiply
    200,145.96x = 276,164.91 × 114,101.28
  4. Step 4: Simplify right side
    200,145.96x = 31,510,769,722.08
  5. Step 5: Solve for x
    x = 31,510,769,722.08/200,145.96
  6. Step 6: Final answer
    x = 157,438.95

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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.