Home / 221,623.57-332,435.34-55,411.57

Finding the Fourth Proportional to 221,623.57, 332,435.34 and 55,411.57

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Solution

The fourth proportional to 221,623.57, 332,435.34 and 55,411.57 is: 83,117.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,623.57 : 332,435.34 = 55,411.57 : x
  2. Step 2: Convert to fraction form
    221,623.57/332,435.34 = 55,411.57/x
  3. Step 3: Cross multiply
    221,623.57x = 332,435.34 × 55,411.57
  4. Step 4: Simplify right side
    221,623.57x = 18,420,764,112.88
  5. Step 5: Solve for x
    x = 18,420,764,112.88/221,623.57
  6. Step 6: Final answer
    x = 83,117.35

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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.