Home / 194,391.12-291,611.40-76,047.30

Finding the Fourth Proportional to 194,391.12, 291,611.40 and 76,047.30

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Solution

The fourth proportional to 194,391.12, 291,611.40 and 76,047.30 is: 114,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,391.12 : 291,611.40 = 76,047.30 : x
  2. Step 2: Convert to fraction form
    194,391.12/291,611.40 = 76,047.30/x
  3. Step 3: Cross multiply
    194,391.12x = 291,611.40 × 76,047.30
  4. Step 4: Simplify right side
    194,391.12x = 22,176,259,619.22
  5. Step 5: Solve for x
    x = 22,176,259,619.22/194,391.12
  6. Step 6: Final answer
    x = 114,080.62

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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.