Home / 146,112.20-219,254.70-52,605.80

Finding the Fourth Proportional to 146,112.20, 219,254.70 and 52,605.80

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Solution

The fourth proportional to 146,112.20, 219,254.70 and 52,605.80 is: 78,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,112.20 : 219,254.70 = 52,605.80 : x
  2. Step 2: Convert to fraction form
    146,112.20/219,254.70 = 52,605.80/x
  3. Step 3: Cross multiply
    146,112.20x = 219,254.70 × 52,605.80
  4. Step 4: Simplify right side
    146,112.20x = 11,534,068,897.26
  5. Step 5: Solve for x
    x = 11,534,068,897.26/146,112.20
  6. Step 6: Final answer
    x = 78,939.81

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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.