Home / 187,400.48-281,193.06-87,567.58

Finding the Fourth Proportional to 187,400.48, 281,193.06 and 87,567.58

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Solution

The fourth proportional to 187,400.48, 281,193.06 and 87,567.58 is: 131,394.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,400.48 : 281,193.06 = 87,567.58 : x
  2. Step 2: Convert to fraction form
    187,400.48/281,193.06 = 87,567.58/x
  3. Step 3: Cross multiply
    187,400.48x = 281,193.06 × 87,567.58
  4. Step 4: Simplify right side
    187,400.48x = 24,623,394,371.03
  5. Step 5: Solve for x
    x = 24,623,394,371.03/187,400.48
  6. Step 6: Final answer
    x = 131,394.51

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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.