Home / 187,403.32-281,104.98-54,283.62

Finding the Fourth Proportional to 187,403.32, 281,104.98 and 54,283.62

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Solution

The fourth proportional to 187,403.32, 281,104.98 and 54,283.62 is: 81,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,403.32 : 281,104.98 = 54,283.62 : x
  2. Step 2: Convert to fraction form
    187,403.32/281,104.98 = 54,283.62/x
  3. Step 3: Cross multiply
    187,403.32x = 281,104.98 × 54,283.62
  4. Step 4: Simplify right side
    187,403.32x = 15,259,395,914.43
  5. Step 5: Solve for x
    x = 15,259,395,914.43/187,403.32
  6. Step 6: Final answer
    x = 81,425.43

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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.