Home / 152,342.20-228,578.10-73,415.80

Finding the Fourth Proportional to 152,342.20, 228,578.10 and 73,415.80

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Solution

The fourth proportional to 152,342.20, 228,578.10 and 73,415.80 is: 110,154.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,342.20 : 228,578.10 = 73,415.80 : x
  2. Step 2: Convert to fraction form
    152,342.20/228,578.10 = 73,415.80/x
  3. Step 3: Cross multiply
    152,342.20x = 228,578.10 × 73,415.80
  4. Step 4: Simplify right side
    152,342.20x = 16,781,244,073.98
  5. Step 5: Solve for x
    x = 16,781,244,073.98/152,342.20
  6. Step 6: Final answer
    x = 110,154.93

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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.