Home / 194,615.10-291,922.65-165,090.60

Finding the Fourth Proportional to 194,615.10, 291,922.65 and 165,090.60

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Solution

The fourth proportional to 194,615.10, 291,922.65 and 165,090.60 is: 247,635.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,615.10 : 291,922.65 = 165,090.60 : x
  2. Step 2: Convert to fraction form
    194,615.10/291,922.65 = 165,090.60/x
  3. Step 3: Cross multiply
    194,615.10x = 291,922.65 × 165,090.60
  4. Step 4: Simplify right side
    194,615.10x = 48,193,685,442.09
  5. Step 5: Solve for x
    x = 48,193,685,442.09/194,615.10
  6. Step 6: Final answer
    x = 247,635.90

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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.