Home / 293,617.71-405,173.25-172,735.64

Finding the Fourth Proportional to 293,617.71, 405,173.25 and 172,735.64

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Solution

The fourth proportional to 293,617.71, 405,173.25 and 172,735.64 is: 238,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,617.71 : 405,173.25 = 172,735.64 : x
  2. Step 2: Convert to fraction form
    293,617.71/405,173.25 = 172,735.64/x
  3. Step 3: Cross multiply
    293,617.71x = 405,173.25 × 172,735.64
  4. Step 4: Simplify right side
    293,617.71x = 69,987,860,649.63
  5. Step 5: Solve for x
    x = 69,987,860,649.63/293,617.71
  6. Step 6: Final answer
    x = 238,363.89

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1.5x scale

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.