Home / 221,619.68-332,199.58-103,193.64

Finding the Fourth Proportional to 221,619.68, 332,199.58 and 103,193.64

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Solution

The fourth proportional to 221,619.68, 332,199.58 and 103,193.64 is: 154,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,619.68 : 332,199.58 = 103,193.64 : x
  2. Step 2: Convert to fraction form
    221,619.68/332,199.58 = 103,193.64/x
  3. Step 3: Cross multiply
    221,619.68x = 332,199.58 × 103,193.64
  4. Step 4: Simplify right side
    221,619.68x = 34,280,883,866.67
  5. Step 5: Solve for x
    x = 34,280,883,866.67/221,619.68
  6. Step 6: Final answer
    x = 154,683.39

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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.