Home / 187,525.20-281,315.16-54,406.20

Finding the Fourth Proportional to 187,525.20, 281,315.16 and 54,406.20

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Solution

The fourth proportional to 187,525.20, 281,315.16 and 54,406.20 is: 81,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,525.20 : 281,315.16 = 54,406.20 : x
  2. Step 2: Convert to fraction form
    187,525.20/281,315.16 = 54,406.20/x
  3. Step 3: Cross multiply
    187,525.20x = 281,315.16 × 54,406.20
  4. Step 4: Simplify right side
    187,525.20x = 15,305,288,857.99
  5. Step 5: Solve for x
    x = 15,305,288,857.99/187,525.20
  6. Step 6: Final answer
    x = 81,617.24

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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.