Home / 221,623.64-332,435.45-55,411.64

Finding the Fourth Proportional to 221,623.64, 332,435.45 and 55,411.64

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Solution

The fourth proportional to 221,623.64, 332,435.45 and 55,411.64 is: 83,117.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,623.64 : 332,435.45 = 55,411.64 : x
  2. Step 2: Convert to fraction form
    221,623.64/332,435.45 = 55,411.64/x
  3. Step 3: Cross multiply
    221,623.64x = 332,435.45 × 55,411.64
  4. Step 4: Simplify right side
    221,623.64x = 18,420,793,201.58
  5. Step 5: Solve for x
    x = 18,420,793,201.58/221,623.64
  6. Step 6: Final answer
    x = 83,117.46

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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.