Home / 196,429.88-271,060.47-115,838.93

Finding the Fourth Proportional to 196,429.88, 271,060.47 and 115,838.93

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Solution

The fourth proportional to 196,429.88, 271,060.47 and 115,838.93 is: 159,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,429.88 : 271,060.47 = 115,838.93 : x
  2. Step 2: Convert to fraction form
    196,429.88/271,060.47 = 115,838.93/x
  3. Step 3: Cross multiply
    196,429.88x = 271,060.47 × 115,838.93
  4. Step 4: Simplify right side
    196,429.88x = 31,399,353,454.79
  5. Step 5: Solve for x
    x = 31,399,353,454.79/196,429.88
  6. Step 6: Final answer
    x = 159,850.19

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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.