Home / 170,961.40-256,442.10-168,628.60

Finding the Fourth Proportional to 170,961.40, 256,442.10 and 168,628.60

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Solution

The fourth proportional to 170,961.40, 256,442.10 and 168,628.60 is: 252,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,961.40 : 256,442.10 = 168,628.60 : x
  2. Step 2: Convert to fraction form
    170,961.40/256,442.10 = 168,628.60/x
  3. Step 3: Cross multiply
    170,961.40x = 256,442.10 × 168,628.60
  4. Step 4: Simplify right side
    170,961.40x = 43,243,472,304.06
  5. Step 5: Solve for x
    x = 43,243,472,304.06/170,961.40
  6. Step 6: Final answer
    x = 252,942.90

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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.