Home / 187,486.89-281,232.15-47,245.51

Finding the Fourth Proportional to 187,486.89, 281,232.15 and 47,245.51

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Solution

The fourth proportional to 187,486.89, 281,232.15 and 47,245.51 is: 70,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,486.89 : 281,232.15 = 47,245.51 : x
  2. Step 2: Convert to fraction form
    187,486.89/281,232.15 = 47,245.51/x
  3. Step 3: Cross multiply
    187,486.89x = 281,232.15 × 47,245.51
  4. Step 4: Simplify right side
    187,486.89x = 13,286,956,355.15
  5. Step 5: Solve for x
    x = 13,286,956,355.15/187,486.89
  6. Step 6: Final answer
    x = 70,868.72

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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.