Home / 200,311.36-276,429.74-109,673.08

Finding the Fourth Proportional to 200,311.36, 276,429.74 and 109,673.08

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Solution

The fourth proportional to 200,311.36, 276,429.74 and 109,673.08 is: 151,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,311.36 : 276,429.74 = 109,673.08 : x
  2. Step 2: Convert to fraction form
    200,311.36/276,429.74 = 109,673.08/x
  3. Step 3: Cross multiply
    200,311.36x = 276,429.74 × 109,673.08
  4. Step 4: Simplify right side
    200,311.36x = 30,316,900,989.40
  5. Step 5: Solve for x
    x = 30,316,900,989.40/200,311.36
  6. Step 6: Final answer
    x = 151,348.89

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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.