Home / 196,244.82-270,747-111,312.68

Finding the Fourth Proportional to 196,244.82, 270,747 and 111,312.68

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Solution

The fourth proportional to 196,244.82, 270,747 and 111,312.68 is: 153,571.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,244.82 : 270,747 = 111,312.68 : x
  2. Step 2: Convert to fraction form
    196,244.82/270,747 = 111,312.68/x
  3. Step 3: Cross multiply
    196,244.82x = 270,747 × 111,312.68
  4. Step 4: Simplify right side
    196,244.82x = 30,137,574,171.96
  5. Step 5: Solve for x
    x = 30,137,574,171.96/196,244.82
  6. Step 6: Final answer
    x = 153,571.31

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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.