Home / 196,480.88-271,123.80-111,581.36

Finding the Fourth Proportional to 196,480.88, 271,123.80 and 111,581.36

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Solution

The fourth proportional to 196,480.88, 271,123.80 and 111,581.36 is: 153,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,480.88 : 271,123.80 = 111,581.36 : x
  2. Step 2: Convert to fraction form
    196,480.88/271,123.80 = 111,581.36/x
  3. Step 3: Cross multiply
    196,480.88x = 271,123.80 × 111,581.36
  4. Step 4: Simplify right side
    196,480.88x = 30,252,362,332.37
  5. Step 5: Solve for x
    x = 30,252,362,332.37/196,480.88
  6. Step 6: Final answer
    x = 153,971.02

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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.