Home / 200,059.75-276,087.91-109,421.08

Finding the Fourth Proportional to 200,059.75, 276,087.91 and 109,421.08

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Solution

The fourth proportional to 200,059.75, 276,087.91 and 109,421.08 is: 151,004.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,059.75 : 276,087.91 = 109,421.08 : x
  2. Step 2: Convert to fraction form
    200,059.75/276,087.91 = 109,421.08/x
  3. Step 3: Cross multiply
    200,059.75x = 276,087.91 × 109,421.08
  4. Step 4: Simplify right side
    200,059.75x = 30,209,836,066.91
  5. Step 5: Solve for x
    x = 30,209,836,066.91/200,059.75
  6. Step 6: Final answer
    x = 151,004.06

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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.