Home / 196,078.24-270,572.16-111,203.20

Finding the Fourth Proportional to 196,078.24, 270,572.16 and 111,203.20

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Solution

The fourth proportional to 196,078.24, 270,572.16 and 111,203.20 is: 153,451.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,078.24 : 270,572.16 = 111,203.20 : x
  2. Step 2: Convert to fraction form
    196,078.24/270,572.16 = 111,203.20/x
  3. Step 3: Cross multiply
    196,078.24x = 270,572.16 × 111,203.20
  4. Step 4: Simplify right side
    196,078.24x = 30,088,490,022.91
  5. Step 5: Solve for x
    x = 30,088,490,022.91/196,078.24
  6. Step 6: Final answer
    x = 153,451.45

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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.