Home / 152,170.20-228,280.80-52,326.36

Finding the Fourth Proportional to 152,170.20, 228,280.80 and 52,326.36

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Solution

The fourth proportional to 152,170.20, 228,280.80 and 52,326.36 is: 78,498.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,170.20 : 228,280.80 = 52,326.36 : x
  2. Step 2: Convert to fraction form
    152,170.20/228,280.80 = 52,326.36/x
  3. Step 3: Cross multiply
    152,170.20x = 228,280.80 × 52,326.36
  4. Step 4: Simplify right side
    152,170.20x = 11,945,103,321.89
  5. Step 5: Solve for x
    x = 11,945,103,321.89/152,170.20
  6. Step 6: Final answer
    x = 78,498.31

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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.