Home / 146,321.33-219,312.57-67,269.65

Finding the Fourth Proportional to 146,321.33, 219,312.57 and 67,269.65

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Solution

The fourth proportional to 146,321.33, 219,312.57 and 67,269.65 is: 100,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,321.33 : 219,312.57 = 67,269.65 : x
  2. Step 2: Convert to fraction form
    146,321.33/219,312.57 = 67,269.65/x
  3. Step 3: Cross multiply
    146,321.33x = 219,312.57 × 67,269.65
  4. Step 4: Simplify right side
    146,321.33x = 14,753,079,824.50
  5. Step 5: Solve for x
    x = 14,753,079,824.50/146,321.33
  6. Step 6: Final answer
    x = 100,826.58

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1.5x scale

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.