Home / 187,812.73-281,729.36-47,572.57

Finding the Fourth Proportional to 187,812.73, 281,729.36 and 47,572.57

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Solution

The fourth proportional to 187,812.73, 281,729.36 and 47,572.57 is: 71,361.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,812.73 : 281,729.36 = 47,572.57 : x
  2. Step 2: Convert to fraction form
    187,812.73/281,729.36 = 47,572.57/x
  3. Step 3: Cross multiply
    187,812.73x = 281,729.36 × 47,572.57
  4. Step 4: Simplify right side
    187,812.73x = 13,402,589,699.66
  5. Step 5: Solve for x
    x = 13,402,589,699.66/187,812.73
  6. Step 6: Final answer
    x = 71,361.46

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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.