Home / 123,625.20-185,524.20-53,554.80

Finding the Fourth Proportional to 123,625.20, 185,524.20 and 53,554.80

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Solution

The fourth proportional to 123,625.20, 185,524.20 and 53,554.80 is: 80,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,625.20 : 185,524.20 = 53,554.80 : x
  2. Step 2: Convert to fraction form
    123,625.20/185,524.20 = 53,554.80/x
  3. Step 3: Cross multiply
    123,625.20x = 185,524.20 × 53,554.80
  4. Step 4: Simplify right side
    123,625.20x = 9,935,711,426.16
  5. Step 5: Solve for x
    x = 9,935,711,426.16/123,625.20
  6. Step 6: Final answer
    x = 80,369.63

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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.