Home / 223,428.02-335,139.10-54,949.80

Finding the Fourth Proportional to 223,428.02, 335,139.10 and 54,949.80

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Solution

The fourth proportional to 223,428.02, 335,139.10 and 54,949.80 is: 82,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,428.02 : 335,139.10 = 54,949.80 : x
  2. Step 2: Convert to fraction form
    223,428.02/335,139.10 = 54,949.80/x
  3. Step 3: Cross multiply
    223,428.02x = 335,139.10 × 54,949.80
  4. Step 4: Simplify right side
    223,428.02x = 18,415,826,517.18
  5. Step 5: Solve for x
    x = 18,415,826,517.18/223,428.02
  6. Step 6: Final answer
    x = 82,423.98

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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.