Home / 276,858.50-415,339.46-190,667.84

Finding the Fourth Proportional to 276,858.50, 415,339.46 and 190,667.84

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Solution

The fourth proportional to 276,858.50, 415,339.46 and 190,667.84 is: 286,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,858.50 : 415,339.46 = 190,667.84 : x
  2. Step 2: Convert to fraction form
    276,858.50/415,339.46 = 190,667.84/x
  3. Step 3: Cross multiply
    276,858.50x = 415,339.46 × 190,667.84
  4. Step 4: Simplify right side
    276,858.50x = 79,191,877,704.97
  5. Step 5: Solve for x
    x = 79,191,877,704.97/276,858.50
  6. Step 6: Final answer
    x = 286,037.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.