Home / 198,433.43-273,729.06-125,703.12

Finding the Fourth Proportional to 198,433.43, 273,729.06 and 125,703.12

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Solution

The fourth proportional to 198,433.43, 273,729.06 and 125,703.12 is: 173,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,433.43 : 273,729.06 = 125,703.12 : x
  2. Step 2: Convert to fraction form
    198,433.43/273,729.06 = 125,703.12/x
  3. Step 3: Cross multiply
    198,433.43x = 273,729.06 × 125,703.12
  4. Step 4: Simplify right side
    198,433.43x = 34,408,596,876.67
  5. Step 5: Solve for x
    x = 34,408,596,876.67/198,433.43
  6. Step 6: Final answer
    x = 173,401.21

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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.