Home / 200,518.74-276,715.64-109,880.35

Finding the Fourth Proportional to 200,518.74, 276,715.64 and 109,880.35

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Solution

The fourth proportional to 200,518.74, 276,715.64 and 109,880.35 is: 151,634.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,518.74 : 276,715.64 = 109,880.35 : x
  2. Step 2: Convert to fraction form
    200,518.74/276,715.64 = 109,880.35/x
  3. Step 3: Cross multiply
    200,518.74x = 276,715.64 × 109,880.35
  4. Step 4: Simplify right side
    200,518.74x = 30,405,610,956.59
  5. Step 5: Solve for x
    x = 30,405,610,956.59/200,518.74
  6. Step 6: Final answer
    x = 151,634.76

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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.