Home / 250,247.21-375,391.31-72,754.01

Finding the Fourth Proportional to 250,247.21, 375,391.31 and 72,754.01

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Solution

The fourth proportional to 250,247.21, 375,391.31 and 72,754.01 is: 109,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,247.21 : 375,391.31 = 72,754.01 : x
  2. Step 2: Convert to fraction form
    250,247.21/375,391.31 = 72,754.01/x
  3. Step 3: Cross multiply
    250,247.21x = 375,391.31 × 72,754.01
  4. Step 4: Simplify right side
    250,247.21x = 27,311,220,880.93
  5. Step 5: Solve for x
    x = 27,311,220,880.93/250,247.21
  6. Step 6: Final answer
    x = 109,136.96

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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.