Home / 170,701.60-256,198.20-76,077.40

Finding the Fourth Proportional to 170,701.60, 256,198.20 and 76,077.40

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Solution

The fourth proportional to 170,701.60, 256,198.20 and 76,077.40 is: 114,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,701.60 : 256,198.20 = 76,077.40 : x
  2. Step 2: Convert to fraction form
    170,701.60/256,198.20 = 76,077.40/x
  3. Step 3: Cross multiply
    170,701.60x = 256,198.20 × 76,077.40
  4. Step 4: Simplify right side
    170,701.60x = 19,490,892,940.68
  5. Step 5: Solve for x
    x = 19,490,892,940.68/170,701.60
  6. Step 6: Final answer
    x = 114,181.08

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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.