Home / 194,087.97-291,131.78-87,347.16

Finding the Fourth Proportional to 194,087.97, 291,131.78 and 87,347.16

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Solution

The fourth proportional to 194,087.97, 291,131.78 and 87,347.16 is: 131,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,087.97 : 291,131.78 = 87,347.16 : x
  2. Step 2: Convert to fraction form
    194,087.97/291,131.78 = 87,347.16/x
  3. Step 3: Cross multiply
    194,087.97x = 291,131.78 × 87,347.16
  4. Step 4: Simplify right side
    194,087.97x = 25,429,533,732.01
  5. Step 5: Solve for x
    x = 25,429,533,732.01/194,087.97
  6. Step 6: Final answer
    x = 131,020.66

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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.