Home / 200,305.74-276,421.46-119,729.36

Finding the Fourth Proportional to 200,305.74, 276,421.46 and 119,729.36

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Solution

The fourth proportional to 200,305.74, 276,421.46 and 119,729.36 is: 165,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,305.74 : 276,421.46 = 119,729.36 : x
  2. Step 2: Convert to fraction form
    200,305.74/276,421.46 = 119,729.36/x
  3. Step 3: Cross multiply
    200,305.74x = 276,421.46 × 119,729.36
  4. Step 4: Simplify right side
    200,305.74x = 33,095,764,496.07
  5. Step 5: Solve for x
    x = 33,095,764,496.07/200,305.74
  6. Step 6: Final answer
    x = 165,226.24

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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.