Home / 187,291.54-258,463.47-102,408.94

Finding the Fourth Proportional to 187,291.54, 258,463.47 and 102,408.94

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Solution

The fourth proportional to 187,291.54, 258,463.47 and 102,408.94 is: 141,324.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,291.54 : 258,463.47 = 102,408.94 : x
  2. Step 2: Convert to fraction form
    187,291.54/258,463.47 = 102,408.94/x
  3. Step 3: Cross multiply
    187,291.54x = 258,463.47 × 102,408.94
  4. Step 4: Simplify right side
    187,291.54x = 26,468,969,991.42
  5. Step 5: Solve for x
    x = 26,468,969,991.42/187,291.54
  6. Step 6: Final answer
    x = 141,324.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.