Home / 200,336.08-276,455.26-109,690.40

Finding the Fourth Proportional to 200,336.08, 276,455.26 and 109,690.40

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Solution

The fourth proportional to 200,336.08, 276,455.26 and 109,690.40 is: 151,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,336.08 : 276,455.26 = 109,690.40 : x
  2. Step 2: Convert to fraction form
    200,336.08/276,455.26 = 109,690.40/x
  3. Step 3: Cross multiply
    200,336.08x = 276,455.26 × 109,690.40
  4. Step 4: Simplify right side
    200,336.08x = 30,324,488,051.50
  5. Step 5: Solve for x
    x = 30,324,488,051.50/200,336.08
  6. Step 6: Final answer
    x = 151,368.08

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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.