Home / 134,044.56-184,996.28-76,689.20

Finding the Fourth Proportional to 134,044.56, 184,996.28 and 76,689.20

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Solution

The fourth proportional to 134,044.56, 184,996.28 and 76,689.20 is: 105,839.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,044.56 : 184,996.28 = 76,689.20 : x
  2. Step 2: Convert to fraction form
    134,044.56/184,996.28 = 76,689.20/x
  3. Step 3: Cross multiply
    134,044.56x = 184,996.28 × 76,689.20
  4. Step 4: Simplify right side
    134,044.56x = 14,187,216,716.18
  5. Step 5: Solve for x
    x = 14,187,216,716.18/134,044.56
  6. Step 6: Final answer
    x = 105,839.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.