Home / 200,178.30-276,243.71-109,533.23

Finding the Fourth Proportional to 200,178.30, 276,243.71 and 109,533.23

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Solution

The fourth proportional to 200,178.30, 276,243.71 and 109,533.23 is: 151,154.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,178.30 : 276,243.71 = 109,533.23 : x
  2. Step 2: Convert to fraction form
    200,178.30/276,243.71 = 109,533.23/x
  3. Step 3: Cross multiply
    200,178.30x = 276,243.71 × 109,533.23
  4. Step 4: Simplify right side
    200,178.30x = 30,257,863,894.60
  5. Step 5: Solve for x
    x = 30,257,863,894.60/200,178.30
  6. Step 6: Final answer
    x = 151,154.57

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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.