Home / 248,716.10-343,193.58-139,805.01

Finding the Fourth Proportional to 248,716.10, 343,193.58 and 139,805.01

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Solution

The fourth proportional to 248,716.10, 343,193.58 and 139,805.01 is: 192,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,716.10 : 343,193.58 = 139,805.01 : x
  2. Step 2: Convert to fraction form
    248,716.10/343,193.58 = 139,805.01/x
  3. Step 3: Cross multiply
    248,716.10x = 343,193.58 × 139,805.01
  4. Step 4: Simplify right side
    248,716.10x = 47,980,181,883.84
  5. Step 5: Solve for x
    x = 47,980,181,883.84/248,716.10
  6. Step 6: Final answer
    x = 192,911.44

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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.