Home / 179,908.12-248,347.14-122,736.16

Finding the Fourth Proportional to 179,908.12, 248,347.14 and 122,736.16

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Solution

The fourth proportional to 179,908.12, 248,347.14 and 122,736.16 is: 169,426.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,908.12 : 248,347.14 = 122,736.16 : x
  2. Step 2: Convert to fraction form
    179,908.12/248,347.14 = 122,736.16/x
  3. Step 3: Cross multiply
    179,908.12x = 248,347.14 × 122,736.16
  4. Step 4: Simplify right side
    179,908.12x = 30,481,174,310.58
  5. Step 5: Solve for x
    x = 30,481,174,310.58/179,908.12
  6. Step 6: Final answer
    x = 169,426.34

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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.