Home / 194,540.40-291,594.60-76,172.40

Finding the Fourth Proportional to 194,540.40, 291,594.60 and 76,172.40

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Solution

The fourth proportional to 194,540.40, 291,594.60 and 76,172.40 is: 114,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,540.40 : 291,594.60 = 76,172.40 : x
  2. Step 2: Convert to fraction form
    194,540.40/291,594.60 = 76,172.40/x
  3. Step 3: Cross multiply
    194,540.40x = 291,594.60 × 76,172.40
  4. Step 4: Simplify right side
    194,540.40x = 22,211,460,509.04
  5. Step 5: Solve for x
    x = 22,211,460,509.04/194,540.40
  6. Step 6: Final answer
    x = 114,174.03

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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.