Home / 113,326.20-169,989.30-106,327.80

Finding the Fourth Proportional to 113,326.20, 169,989.30 and 106,327.80

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Solution

The fourth proportional to 113,326.20, 169,989.30 and 106,327.80 is: 159,491.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,326.20 : 169,989.30 = 106,327.80 : x
  2. Step 2: Convert to fraction form
    113,326.20/169,989.30 = 106,327.80/x
  3. Step 3: Cross multiply
    113,326.20x = 169,989.30 × 106,327.80
  4. Step 4: Simplify right side
    113,326.20x = 18,074,588,292.54
  5. Step 5: Solve for x
    x = 18,074,588,292.54/113,326.20
  6. Step 6: Final answer
    x = 159,491.70

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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.