Home / 187,705.08-281,555.27-45,551.53

Finding the Fourth Proportional to 187,705.08, 281,555.27 and 45,551.53

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Solution

The fourth proportional to 187,705.08, 281,555.27 and 45,551.53 is: 68,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,705.08 : 281,555.27 = 45,551.53 : x
  2. Step 2: Convert to fraction form
    187,705.08/281,555.27 = 45,551.53/x
  3. Step 3: Cross multiply
    187,705.08x = 281,555.27 × 45,551.53
  4. Step 4: Simplify right side
    187,705.08x = 12,825,273,687.12
  5. Step 5: Solve for x
    x = 12,825,273,687.12/187,705.08
  6. Step 6: Final answer
    x = 68,326.73

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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.