Home / 352,540.48-528,612-115,819.60

Finding the Fourth Proportional to 352,540.48, 528,612 and 115,819.60

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Solution

The fourth proportional to 352,540.48, 528,612 and 115,819.60 is: 173,664.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,540.48 : 528,612 = 115,819.60 : x
  2. Step 2: Convert to fraction form
    352,540.48/528,612 = 115,819.60/x
  3. Step 3: Cross multiply
    352,540.48x = 528,612 × 115,819.60
  4. Step 4: Simplify right side
    352,540.48x = 61,223,630,395.20
  5. Step 5: Solve for x
    x = 61,223,630,395.20/352,540.48
  6. Step 6: Final answer
    x = 173,664.11

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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.