Home / 352,128.60-528,266.46-115,452.60

Finding the Fourth Proportional to 352,128.60, 528,266.46 and 115,452.60

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Solution

The fourth proportional to 352,128.60, 528,266.46 and 115,452.60 is: 173,203.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,128.60 : 528,266.46 = 115,452.60 : x
  2. Step 2: Convert to fraction form
    352,128.60/528,266.46 = 115,452.60/x
  3. Step 3: Cross multiply
    352,128.60x = 528,266.46 × 115,452.60
  4. Step 4: Simplify right side
    352,128.60x = 60,989,736,299.80
  5. Step 5: Solve for x
    x = 60,989,736,299.80/352,128.60
  6. Step 6: Final answer
    x = 173,203.02

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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.