Home / 127,708.34-191,267.24-123,279.66

Finding the Fourth Proportional to 127,708.34, 191,267.24 and 123,279.66

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Solution

The fourth proportional to 127,708.34, 191,267.24 and 123,279.66 is: 184,634.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,708.34 : 191,267.24 = 123,279.66 : x
  2. Step 2: Convert to fraction form
    127,708.34/191,267.24 = 123,279.66/x
  3. Step 3: Cross multiply
    127,708.34x = 191,267.24 × 123,279.66
  4. Step 4: Simplify right side
    127,708.34x = 23,579,359,699.94
  5. Step 5: Solve for x
    x = 23,579,359,699.94/127,708.34
  6. Step 6: Final answer
    x = 184,634.46

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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.