Home / 196,455.30-271,110.20-111,572.97

Finding the Fourth Proportional to 196,455.30, 271,110.20 and 111,572.97

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Solution

The fourth proportional to 196,455.30, 271,110.20 and 111,572.97 is: 153,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,455.30 : 271,110.20 = 111,572.97 : x
  2. Step 2: Convert to fraction form
    196,455.30/271,110.20 = 111,572.97/x
  3. Step 3: Cross multiply
    196,455.30x = 271,110.20 × 111,572.97
  4. Step 4: Simplify right side
    196,455.30x = 30,248,570,211.29
  5. Step 5: Solve for x
    x = 30,248,570,211.29/196,455.30
  6. Step 6: Final answer
    x = 153,971.77

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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.