Home / 290,106.14-400,243.83-189,562.46

Finding the Fourth Proportional to 290,106.14, 400,243.83 and 189,562.46

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Solution

The fourth proportional to 290,106.14, 400,243.83 and 189,562.46 is: 261,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,106.14 : 400,243.83 = 189,562.46 : x
  2. Step 2: Convert to fraction form
    290,106.14/400,243.83 = 189,562.46/x
  3. Step 3: Cross multiply
    290,106.14x = 400,243.83 × 189,562.46
  4. Step 4: Simplify right side
    290,106.14x = 75,871,205,014.62
  5. Step 5: Solve for x
    x = 75,871,205,014.62/290,106.14
  6. Step 6: Final answer
    x = 261,529.13

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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.