Home / 127,623.11-191,434.64-34,126.43

Finding the Fourth Proportional to 127,623.11, 191,434.64 and 34,126.43

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Solution

The fourth proportional to 127,623.11, 191,434.64 and 34,126.43 is: 51,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,623.11 : 191,434.64 = 34,126.43 : x
  2. Step 2: Convert to fraction form
    127,623.11/191,434.64 = 34,126.43/x
  3. Step 3: Cross multiply
    127,623.11x = 191,434.64 × 34,126.43
  4. Step 4: Simplify right side
    127,623.11x = 6,532,979,713.73
  5. Step 5: Solve for x
    x = 6,532,979,713.73/127,623.11
  6. Step 6: Final answer
    x = 51,189.63

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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.