Home / 196,541.80-271,228.60-111,663.52

Finding the Fourth Proportional to 196,541.80, 271,228.60 and 111,663.52

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Solution

The fourth proportional to 196,541.80, 271,228.60 and 111,663.52 is: 154,096.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,541.80 : 271,228.60 = 111,663.52 : x
  2. Step 2: Convert to fraction form
    196,541.80/271,228.60 = 111,663.52/x
  3. Step 3: Cross multiply
    196,541.80x = 271,228.60 × 111,663.52
  4. Step 4: Simplify right side
    196,541.80x = 30,286,340,200.67
  5. Step 5: Solve for x
    x = 30,286,340,200.67/196,541.80
  6. Step 6: Final answer
    x = 154,096.18

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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.