Home / 170,823.70-256,466.40-99,819.10

Finding the Fourth Proportional to 170,823.70, 256,466.40 and 99,819.10

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Solution

The fourth proportional to 170,823.70, 256,466.40 and 99,819.10 is: 149,863.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,823.70 : 256,466.40 = 99,819.10 : x
  2. Step 2: Convert to fraction form
    170,823.70/256,466.40 = 99,819.10/x
  3. Step 3: Cross multiply
    170,823.70x = 256,466.40 × 99,819.10
  4. Step 4: Simplify right side
    170,823.70x = 25,600,245,228.24
  5. Step 5: Solve for x
    x = 25,600,245,228.24/170,823.70
  6. Step 6: Final answer
    x = 149,863.54

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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.