Home / 204,035.10-306,075.94-54,281.50

Finding the Fourth Proportional to 204,035.10, 306,075.94 and 54,281.50

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Solution

The fourth proportional to 204,035.10, 306,075.94 and 54,281.50 is: 81,428.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,035.10 : 306,075.94 = 54,281.50 : x
  2. Step 2: Convert to fraction form
    204,035.10/306,075.94 = 54,281.50/x
  3. Step 3: Cross multiply
    204,035.10x = 306,075.94 × 54,281.50
  4. Step 4: Simplify right side
    204,035.10x = 16,614,261,137.11
  5. Step 5: Solve for x
    x = 16,614,261,137.11/204,035.10
  6. Step 6: Final answer
    x = 81,428.45

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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.