Home / 299,348.50-448,784.32-172,845.26

Finding the Fourth Proportional to 299,348.50, 448,784.32 and 172,845.26

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Solution

The fourth proportional to 299,348.50, 448,784.32 and 172,845.26 is: 259,130.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,348.50 : 448,784.32 = 172,845.26 : x
  2. Step 2: Convert to fraction form
    299,348.50/448,784.32 = 172,845.26/x
  3. Step 3: Cross multiply
    299,348.50x = 448,784.32 × 172,845.26
  4. Step 4: Simplify right side
    299,348.50x = 77,570,242,474.32
  5. Step 5: Solve for x
    x = 77,570,242,474.32/299,348.50
  6. Step 6: Final answer
    x = 259,130.22

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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.