Home / 173,120.79-259,655.14-54,776.73

Finding the Fourth Proportional to 173,120.79, 259,655.14 and 54,776.73

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Solution

The fourth proportional to 173,120.79, 259,655.14 and 54,776.73 is: 82,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,120.79 : 259,655.14 = 54,776.73 : x
  2. Step 2: Convert to fraction form
    173,120.79/259,655.14 = 54,776.73/x
  3. Step 3: Cross multiply
    173,120.79x = 259,655.14 × 54,776.73
  4. Step 4: Simplify right side
    173,120.79x = 14,223,059,496.89
  5. Step 5: Solve for x
    x = 14,223,059,496.89/173,120.79
  6. Step 6: Final answer
    x = 82,156.85

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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.