Home / 248,593.47-343,059.08-135,416.22

Finding the Fourth Proportional to 248,593.47, 343,059.08 and 135,416.22

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Solution

The fourth proportional to 248,593.47, 343,059.08 and 135,416.22 is: 186,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,593.47 : 343,059.08 = 135,416.22 : x
  2. Step 2: Convert to fraction form
    248,593.47/343,059.08 = 135,416.22/x
  3. Step 3: Cross multiply
    248,593.47x = 343,059.08 × 135,416.22
  4. Step 4: Simplify right side
    248,593.47x = 46,455,763,850.28
  5. Step 5: Solve for x
    x = 46,455,763,850.28/248,593.47
  6. Step 6: Final answer
    x = 186,874.43

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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.