Home / 113,346.18-169,946.37-54,180.54

Finding the Fourth Proportional to 113,346.18, 169,946.37 and 54,180.54

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Solution

The fourth proportional to 113,346.18, 169,946.37 and 54,180.54 is: 81,235.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,346.18 : 169,946.37 = 54,180.54 : x
  2. Step 2: Convert to fraction form
    113,346.18/169,946.37 = 54,180.54/x
  3. Step 3: Cross multiply
    113,346.18x = 169,946.37 × 54,180.54
  4. Step 4: Simplify right side
    113,346.18x = 9,207,786,097.64
  5. Step 5: Solve for x
    x = 9,207,786,097.64/113,346.18
  6. Step 6: Final answer
    x = 81,235.96

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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.