Home / 187,790.72-281,496.54-117,719.24

Finding the Fourth Proportional to 187,790.72, 281,496.54 and 117,719.24

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Solution

The fourth proportional to 187,790.72, 281,496.54 and 117,719.24 is: 176,460.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,790.72 : 281,496.54 = 117,719.24 : x
  2. Step 2: Convert to fraction form
    187,790.72/281,496.54 = 117,719.24/x
  3. Step 3: Cross multiply
    187,790.72x = 281,496.54 × 117,719.24
  4. Step 4: Simplify right side
    187,790.72x = 33,137,558,751.43
  5. Step 5: Solve for x
    x = 33,137,558,751.43/187,790.72
  6. Step 6: Final answer
    x = 176,460.04

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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.