Home / 188,789.22-260,342.37-172,403.46

Finding the Fourth Proportional to 188,789.22, 260,342.37 and 172,403.46

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Solution

The fourth proportional to 188,789.22, 260,342.37 and 172,403.46 is: 237,746.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,789.22 : 260,342.37 = 172,403.46 : x
  2. Step 2: Convert to fraction form
    188,789.22/260,342.37 = 172,403.46/x
  3. Step 3: Cross multiply
    188,789.22x = 260,342.37 × 172,403.46
  4. Step 4: Simplify right side
    188,789.22x = 44,883,925,372.60
  5. Step 5: Solve for x
    x = 44,883,925,372.60/188,789.22
  6. Step 6: Final answer
    x = 237,746.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.