Home / 200,289.64-276,400.08-109,651.24

Finding the Fourth Proportional to 200,289.64, 276,400.08 and 109,651.24

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Solution

The fourth proportional to 200,289.64, 276,400.08 and 109,651.24 is: 151,318.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,289.64 : 276,400.08 = 109,651.24 : x
  2. Step 2: Convert to fraction form
    200,289.64/276,400.08 = 109,651.24/x
  3. Step 3: Cross multiply
    200,289.64x = 276,400.08 × 109,651.24
  4. Step 4: Simplify right side
    200,289.64x = 30,307,611,508.10
  5. Step 5: Solve for x
    x = 30,307,611,508.10/200,289.64
  6. Step 6: Final answer
    x = 151,318.92

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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.