Home / 248,961.12-343,564.77-141,531.15

Finding the Fourth Proportional to 248,961.12, 343,564.77 and 141,531.15

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Solution

The fourth proportional to 248,961.12, 343,564.77 and 141,531.15 is: 195,312.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,961.12 : 343,564.77 = 141,531.15 : x
  2. Step 2: Convert to fraction form
    248,961.12/343,564.77 = 141,531.15/x
  3. Step 3: Cross multiply
    248,961.12x = 343,564.77 × 141,531.15
  4. Step 4: Simplify right side
    248,961.12x = 48,625,116,997.59
  5. Step 5: Solve for x
    x = 48,625,116,997.59/248,961.12
  6. Step 6: Final answer
    x = 195,312.09

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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.