Home / 194,708.74-291,956.01-87,967.30

Finding the Fourth Proportional to 194,708.74, 291,956.01 and 87,967.30

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Solution

The fourth proportional to 194,708.74, 291,956.01 and 87,967.30 is: 131,902.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,708.74 : 291,956.01 = 87,967.30 : x
  2. Step 2: Convert to fraction form
    194,708.74/291,956.01 = 87,967.30/x
  3. Step 3: Cross multiply
    194,708.74x = 291,956.01 × 87,967.30
  4. Step 4: Simplify right side
    194,708.74x = 25,682,581,918.47
  5. Step 5: Solve for x
    x = 25,682,581,918.47/194,708.74
  6. Step 6: Final answer
    x = 131,902.56

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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.