Home / 194,619.60-291,929.40-110,638.80

Finding the Fourth Proportional to 194,619.60, 291,929.40 and 110,638.80

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Solution

The fourth proportional to 194,619.60, 291,929.40 and 110,638.80 is: 165,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,619.60 : 291,929.40 = 110,638.80 : x
  2. Step 2: Convert to fraction form
    194,619.60/291,929.40 = 110,638.80/x
  3. Step 3: Cross multiply
    194,619.60x = 291,929.40 × 110,638.80
  4. Step 4: Simplify right side
    194,619.60x = 32,298,718,500.72
  5. Step 5: Solve for x
    x = 32,298,718,500.72/194,619.60
  6. Step 6: Final answer
    x = 165,958.20

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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.