Home / 187,788.51-281,728.94-54,669.94

Finding the Fourth Proportional to 187,788.51, 281,728.94 and 54,669.94

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Solution

The fourth proportional to 187,788.51, 281,728.94 and 54,669.94 is: 82,018.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,788.51 : 281,728.94 = 54,669.94 : x
  2. Step 2: Convert to fraction form
    187,788.51/281,728.94 = 54,669.94/x
  3. Step 3: Cross multiply
    187,788.51x = 281,728.94 × 54,669.94
  4. Step 4: Simplify right side
    187,788.51x = 15,402,103,268.39
  5. Step 5: Solve for x
    x = 15,402,103,268.39/187,788.51
  6. Step 6: Final answer
    x = 82,018.35

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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.