Home / 260,554.24-390,824.88-73,563.04

Finding the Fourth Proportional to 260,554.24, 390,824.88 and 73,563.04

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Solution

The fourth proportional to 260,554.24, 390,824.88 and 73,563.04 is: 110,342.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,554.24 : 390,824.88 = 73,563.04 : x
  2. Step 2: Convert to fraction form
    260,554.24/390,824.88 = 73,563.04/x
  3. Step 3: Cross multiply
    260,554.24x = 390,824.88 × 73,563.04
  4. Step 4: Simplify right side
    260,554.24x = 28,750,266,280.44
  5. Step 5: Solve for x
    x = 28,750,266,280.44/260,554.24
  6. Step 6: Final answer
    x = 110,342.73

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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.