Home / 187,784.22-281,486.79-117,712.74

Finding the Fourth Proportional to 187,784.22, 281,486.79 and 117,712.74

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Solution

The fourth proportional to 187,784.22, 281,486.79 and 117,712.74 is: 176,450.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,784.22 : 281,486.79 = 117,712.74 : x
  2. Step 2: Convert to fraction form
    187,784.22/281,486.79 = 117,712.74/x
  3. Step 3: Cross multiply
    187,784.22x = 281,486.79 × 117,712.74
  4. Step 4: Simplify right side
    187,784.22x = 33,134,581,324.70
  5. Step 5: Solve for x
    x = 33,134,581,324.70/187,784.22
  6. Step 6: Final answer
    x = 176,450.30

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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.