Home / 196,455.62-271,141.26-115,902.83

Finding the Fourth Proportional to 196,455.62, 271,141.26 and 115,902.83

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Solution

The fourth proportional to 196,455.62, 271,141.26 and 115,902.83 is: 159,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,455.62 : 271,141.26 = 115,902.83 : x
  2. Step 2: Convert to fraction form
    196,455.62/271,141.26 = 115,902.83/x
  3. Step 3: Cross multiply
    196,455.62x = 271,141.26 × 115,902.83
  4. Step 4: Simplify right side
    196,455.62x = 31,426,039,363.77
  5. Step 5: Solve for x
    x = 31,426,039,363.77/196,455.62
  6. Step 6: Final answer
    x = 159,965.08

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1.5x scale

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.