Home / 352,077.12-528,132.96-115,323.84

Finding the Fourth Proportional to 352,077.12, 528,132.96 and 115,323.84

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Solution

The fourth proportional to 352,077.12, 528,132.96 and 115,323.84 is: 172,991.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,077.12 : 528,132.96 = 115,323.84 : x
  2. Step 2: Convert to fraction form
    352,077.12/528,132.96 = 115,323.84/x
  3. Step 3: Cross multiply
    352,077.12x = 528,132.96 × 115,323.84
  4. Step 4: Simplify right side
    352,077.12x = 60,906,320,977.77
  5. Step 5: Solve for x
    x = 60,906,320,977.77/352,077.12
  6. Step 6: Final answer
    x = 172,991.42

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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.