Home / 113,321.40-169,982.10-93,276.60

Finding the Fourth Proportional to 113,321.40, 169,982.10 and 93,276.60

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Solution

The fourth proportional to 113,321.40, 169,982.10 and 93,276.60 is: 139,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,321.40 : 169,982.10 = 93,276.60 : x
  2. Step 2: Convert to fraction form
    113,321.40/169,982.10 = 93,276.60/x
  3. Step 3: Cross multiply
    113,321.40x = 169,982.10 × 93,276.60
  4. Step 4: Simplify right side
    113,321.40x = 15,855,352,348.86
  5. Step 5: Solve for x
    x = 15,855,352,348.86/113,321.40
  6. Step 6: Final answer
    x = 139,914.90

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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.