Home / 170,826.70-256,240.05-162,661.90

Finding the Fourth Proportional to 170,826.70, 256,240.05 and 162,661.90

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Solution

The fourth proportional to 170,826.70, 256,240.05 and 162,661.90 is: 243,992.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,826.70 : 256,240.05 = 162,661.90 : x
  2. Step 2: Convert to fraction form
    170,826.70/256,240.05 = 162,661.90/x
  3. Step 3: Cross multiply
    170,826.70x = 256,240.05 × 162,661.90
  4. Step 4: Simplify right side
    170,826.70x = 41,680,493,389.10
  5. Step 5: Solve for x
    x = 41,680,493,389.10/170,826.70
  6. Step 6: Final answer
    x = 243,992.85

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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.