Home / 200,338.08-276,458.02-109,692.40

Finding the Fourth Proportional to 200,338.08, 276,458.02 and 109,692.40

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Solution

The fourth proportional to 200,338.08, 276,458.02 and 109,692.40 is: 151,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,338.08 : 276,458.02 = 109,692.40 : x
  2. Step 2: Convert to fraction form
    200,338.08/276,458.02 = 109,692.40/x
  3. Step 3: Cross multiply
    200,338.08x = 276,458.02 × 109,692.40
  4. Step 4: Simplify right side
    200,338.08x = 30,325,343,713.05
  5. Step 5: Solve for x
    x = 30,325,343,713.05/200,338.08
  6. Step 6: Final answer
    x = 151,370.84

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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.