Home / 200,388.36-276,527.61-109,742.07

Finding the Fourth Proportional to 200,388.36, 276,527.61 and 109,742.07

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Solution

The fourth proportional to 200,388.36, 276,527.61 and 109,742.07 is: 151,439.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,388.36 : 276,527.61 = 109,742.07 : x
  2. Step 2: Convert to fraction form
    200,388.36/276,527.61 = 109,742.07/x
  3. Step 3: Cross multiply
    200,388.36x = 276,527.61 × 109,742.07
  4. Step 4: Simplify right side
    200,388.36x = 30,346,712,333.55
  5. Step 5: Solve for x
    x = 30,346,712,333.55/200,388.36
  6. Step 6: Final answer
    x = 151,439.50

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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.