Home / 124,777.20-187,165.80-49,933.20

Finding the Fourth Proportional to 124,777.20, 187,165.80 and 49,933.20

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Solution

The fourth proportional to 124,777.20, 187,165.80 and 49,933.20 is: 74,899.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,777.20 : 187,165.80 = 49,933.20 : x
  2. Step 2: Convert to fraction form
    124,777.20/187,165.80 = 49,933.20/x
  3. Step 3: Cross multiply
    124,777.20x = 187,165.80 × 49,933.20
  4. Step 4: Simplify right side
    124,777.20x = 9,345,787,324.56
  5. Step 5: Solve for x
    x = 9,345,787,324.56/124,777.20
  6. Step 6: Final answer
    x = 74,899.80

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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.