Home / 196,295.72-270,896.40-111,420.68

Finding the Fourth Proportional to 196,295.72, 270,896.40 and 111,420.68

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Solution

The fourth proportional to 196,295.72, 270,896.40 and 111,420.68 is: 153,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,295.72 : 270,896.40 = 111,420.68 : x
  2. Step 2: Convert to fraction form
    196,295.72/270,896.40 = 111,420.68/x
  3. Step 3: Cross multiply
    196,295.72x = 270,896.40 × 111,420.68
  4. Step 4: Simplify right side
    196,295.72x = 30,183,461,097.55
  5. Step 5: Solve for x
    x = 30,183,461,097.55/196,295.72
  6. Step 6: Final answer
    x = 153,765.25

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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.