Home / 196,302.70-270,891.81-109,087.51

Finding the Fourth Proportional to 196,302.70, 270,891.81 and 109,087.51

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Solution

The fourth proportional to 196,302.70, 270,891.81 and 109,087.51 is: 150,537.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,302.70 : 270,891.81 = 109,087.51 : x
  2. Step 2: Convert to fraction form
    196,302.70/270,891.81 = 109,087.51/x
  3. Step 3: Cross multiply
    196,302.70x = 270,891.81 × 109,087.51
  4. Step 4: Simplify right side
    196,302.70x = 29,550,911,847.14
  5. Step 5: Solve for x
    x = 29,550,911,847.14/196,302.70
  6. Step 6: Final answer
    x = 150,537.47

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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.