Home / 127,742.34-191,252.05-67,634.27

Finding the Fourth Proportional to 127,742.34, 191,252.05 and 67,634.27

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Solution

The fourth proportional to 127,742.34, 191,252.05 and 67,634.27 is: 101,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,742.34 : 191,252.05 = 67,634.27 : x
  2. Step 2: Convert to fraction form
    127,742.34/191,252.05 = 67,634.27/x
  3. Step 3: Cross multiply
    127,742.34x = 191,252.05 × 67,634.27
  4. Step 4: Simplify right side
    127,742.34x = 12,935,191,662.41
  5. Step 5: Solve for x
    x = 12,935,191,662.41/127,742.34
  6. Step 6: Final answer
    x = 101,260.02

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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.