Home / 187,735.16-281,602.50-75,415.37

Finding the Fourth Proportional to 187,735.16, 281,602.50 and 75,415.37

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Solution

The fourth proportional to 187,735.16, 281,602.50 and 75,415.37 is: 113,122.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,735.16 : 281,602.50 = 75,415.37 : x
  2. Step 2: Convert to fraction form
    187,735.16/281,602.50 = 75,415.37/x
  3. Step 3: Cross multiply
    187,735.16x = 281,602.50 × 75,415.37
  4. Step 4: Simplify right side
    187,735.16x = 21,237,156,730.43
  5. Step 5: Solve for x
    x = 21,237,156,730.43/187,735.16
  6. Step 6: Final answer
    x = 113,122.96

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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.