Home / 187,749.50-281,687.10-61,395.56

Finding the Fourth Proportional to 187,749.50, 281,687.10 and 61,395.56

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Solution

The fourth proportional to 187,749.50, 281,687.10 and 61,395.56 is: 92,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,749.50 : 281,687.10 = 61,395.56 : x
  2. Step 2: Convert to fraction form
    187,749.50/281,687.10 = 61,395.56/x
  3. Step 3: Cross multiply
    187,749.50x = 281,687.10 × 61,395.56
  4. Step 4: Simplify right side
    187,749.50x = 17,294,337,249.28
  5. Step 5: Solve for x
    x = 17,294,337,249.28/187,749.50
  6. Step 6: Final answer
    x = 92,113.89

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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.