Home / 352,563.02-528,920.40-109,399.25

Finding the Fourth Proportional to 352,563.02, 528,920.40 and 109,399.25

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Solution

The fourth proportional to 352,563.02, 528,920.40 and 109,399.25 is: 164,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,563.02 : 528,920.40 = 109,399.25 : x
  2. Step 2: Convert to fraction form
    352,563.02/528,920.40 = 109,399.25/x
  3. Step 3: Cross multiply
    352,563.02x = 528,920.40 × 109,399.25
  4. Step 4: Simplify right side
    352,563.02x = 57,863,493,211.70
  5. Step 5: Solve for x
    x = 57,863,493,211.70/352,563.02
  6. Step 6: Final answer
    x = 164,122.41

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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.