Home / 146,535.75-219,650.40-67,701.69

Finding the Fourth Proportional to 146,535.75, 219,650.40 and 67,701.69

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Solution

The fourth proportional to 146,535.75, 219,650.40 and 67,701.69 is: 101,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,535.75 : 219,650.40 = 67,701.69 : x
  2. Step 2: Convert to fraction form
    146,535.75/219,650.40 = 67,701.69/x
  3. Step 3: Cross multiply
    146,535.75x = 219,650.40 × 67,701.69
  4. Step 4: Simplify right side
    146,535.75x = 14,870,703,289.18
  5. Step 5: Solve for x
    x = 14,870,703,289.18/146,535.75
  6. Step 6: Final answer
    x = 101,481.74

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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.