Home / 127,647.54-191,186.19-92,506.50

Finding the Fourth Proportional to 127,647.54, 191,186.19 and 92,506.50

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Solution

The fourth proportional to 127,647.54, 191,186.19 and 92,506.50 is: 138,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,647.54 : 191,186.19 = 92,506.50 : x
  2. Step 2: Convert to fraction form
    127,647.54/191,186.19 = 92,506.50/x
  3. Step 3: Cross multiply
    127,647.54x = 191,186.19 × 92,506.50
  4. Step 4: Simplify right side
    127,647.54x = 17,685,965,285.24
  5. Step 5: Solve for x
    x = 17,685,965,285.24/127,647.54
  6. Step 6: Final answer
    x = 138,553.12

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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.