Home / 196,410.64-271,082-115,833.46

Finding the Fourth Proportional to 196,410.64, 271,082 and 115,833.46

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Solution

The fourth proportional to 196,410.64, 271,082 and 115,833.46 is: 159,871.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,410.64 : 271,082 = 115,833.46 : x
  2. Step 2: Convert to fraction form
    196,410.64/271,082 = 115,833.46/x
  3. Step 3: Cross multiply
    196,410.64x = 271,082 × 115,833.46
  4. Step 4: Simplify right side
    196,410.64x = 31,400,366,003.72
  5. Step 5: Solve for x
    x = 31,400,366,003.72/196,410.64
  6. Step 6: Final answer
    x = 159,871.00

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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.