Home / 143,180.92-198,017.84-125,244.79

Finding the Fourth Proportional to 143,180.92, 198,017.84 and 125,244.79

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Solution

The fourth proportional to 143,180.92, 198,017.84 and 125,244.79 is: 173,212.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,180.92 : 198,017.84 = 125,244.79 : x
  2. Step 2: Convert to fraction form
    143,180.92/198,017.84 = 125,244.79/x
  3. Step 3: Cross multiply
    143,180.92x = 198,017.84 × 125,244.79
  4. Step 4: Simplify right side
    143,180.92x = 24,800,702,787.05
  5. Step 5: Solve for x
    x = 24,800,702,787.05/143,180.92
  6. Step 6: Final answer
    x = 173,212.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.