Home / 352,999.36-529,285.34-142,391.26

Finding the Fourth Proportional to 352,999.36, 529,285.34 and 142,391.26

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Solution

The fourth proportional to 352,999.36, 529,285.34 and 142,391.26 is: 213,500.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,999.36 : 529,285.34 = 142,391.26 : x
  2. Step 2: Convert to fraction form
    352,999.36/529,285.34 = 142,391.26/x
  3. Step 3: Cross multiply
    352,999.36x = 529,285.34 × 142,391.26
  4. Step 4: Simplify right side
    352,999.36x = 75,365,606,462.13
  5. Step 5: Solve for x
    x = 75,365,606,462.13/352,999.36
  6. Step 6: Final answer
    x = 213,500.69

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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.