Home / 125,150.96-172,728.12-82,254.80

Finding the Fourth Proportional to 125,150.96, 172,728.12 and 82,254.80

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Solution

The fourth proportional to 125,150.96, 172,728.12 and 82,254.80 is: 113,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,150.96 : 172,728.12 = 82,254.80 : x
  2. Step 2: Convert to fraction form
    125,150.96/172,728.12 = 82,254.80/x
  3. Step 3: Cross multiply
    125,150.96x = 172,728.12 × 82,254.80
  4. Step 4: Simplify right side
    125,150.96x = 14,207,716,964.98
  5. Step 5: Solve for x
    x = 14,207,716,964.98/125,150.96
  6. Step 6: Final answer
    x = 113,524.63

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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.