Home / 362,723.20-543,890.40-152,123.20

Finding the Fourth Proportional to 362,723.20, 543,890.40 and 152,123.20

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Solution

The fourth proportional to 362,723.20, 543,890.40 and 152,123.20 is: 228,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,723.20 : 543,890.40 = 152,123.20 : x
  2. Step 2: Convert to fraction form
    362,723.20/543,890.40 = 152,123.20/x
  3. Step 3: Cross multiply
    362,723.20x = 543,890.40 × 152,123.20
  4. Step 4: Simplify right side
    362,723.20x = 82,738,348,097.28
  5. Step 5: Solve for x
    x = 82,738,348,097.28/362,723.20
  6. Step 6: Final answer
    x = 228,103.27

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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.