Home / 152,279.19-228,414.03-72,374.68

Finding the Fourth Proportional to 152,279.19, 228,414.03 and 72,374.68

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Solution

The fourth proportional to 152,279.19, 228,414.03 and 72,374.68 is: 108,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,279.19 : 228,414.03 = 72,374.68 : x
  2. Step 2: Convert to fraction form
    152,279.19/228,414.03 = 72,374.68/x
  3. Step 3: Cross multiply
    152,279.19x = 228,414.03 × 72,374.68
  4. Step 4: Simplify right side
    152,279.19x = 16,531,392,342.87
  5. Step 5: Solve for x
    x = 16,531,392,342.87/152,279.19
  6. Step 6: Final answer
    x = 108,559.76

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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.