Home / 194,186.36-291,292.10-61,071.78

Finding the Fourth Proportional to 194,186.36, 291,292.10 and 61,071.78

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Solution

The fourth proportional to 194,186.36, 291,292.10 and 61,071.78 is: 91,611.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,186.36 : 291,292.10 = 61,071.78 : x
  2. Step 2: Convert to fraction form
    194,186.36/291,292.10 = 61,071.78/x
  3. Step 3: Cross multiply
    194,186.36x = 291,292.10 × 61,071.78
  4. Step 4: Simplify right side
    194,186.36x = 17,789,727,046.94
  5. Step 5: Solve for x
    x = 17,789,727,046.94/194,186.36
  6. Step 6: Final answer
    x = 91,611.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.