Home / 196,390.52-271,029.54-115,865.24

Finding the Fourth Proportional to 196,390.52, 271,029.54 and 115,865.24

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Solution

The fourth proportional to 196,390.52, 271,029.54 and 115,865.24 is: 159,900.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,390.52 : 271,029.54 = 115,865.24 : x
  2. Step 2: Convert to fraction form
    196,390.52/271,029.54 = 115,865.24/x
  3. Step 3: Cross multiply
    196,390.52x = 271,029.54 × 115,865.24
  4. Step 4: Simplify right side
    196,390.52x = 31,402,902,699.19
  5. Step 5: Solve for x
    x = 31,402,902,699.19/196,390.52
  6. Step 6: Final answer
    x = 159,900.30

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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.