Home / 218,967.44-302,175.09-123,474.15

Finding the Fourth Proportional to 218,967.44, 302,175.09 and 123,474.15

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Solution

The fourth proportional to 218,967.44, 302,175.09 and 123,474.15 is: 170,394.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,967.44 : 302,175.09 = 123,474.15 : x
  2. Step 2: Convert to fraction form
    218,967.44/302,175.09 = 123,474.15/x
  3. Step 3: Cross multiply
    218,967.44x = 302,175.09 × 123,474.15
  4. Step 4: Simplify right side
    218,967.44x = 37,310,812,388.92
  5. Step 5: Solve for x
    x = 37,310,812,388.92/218,967.44
  6. Step 6: Final answer
    x = 170,394.34

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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.