Home / 127,615.90-191,282.82-52,694.74

Finding the Fourth Proportional to 127,615.90, 191,282.82 and 52,694.74

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Solution

The fourth proportional to 127,615.90, 191,282.82 and 52,694.74 is: 78,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,615.90 : 191,282.82 = 52,694.74 : x
  2. Step 2: Convert to fraction form
    127,615.90/191,282.82 = 52,694.74/x
  3. Step 3: Cross multiply
    127,615.90x = 191,282.82 × 52,694.74
  4. Step 4: Simplify right side
    127,615.90x = 10,079,598,466.37
  5. Step 5: Solve for x
    x = 10,079,598,466.37/127,615.90
  6. Step 6: Final answer
    x = 78,983.88

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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.