Home / 275,257.50-379,854.56-152,768.36

Finding the Fourth Proportional to 275,257.50, 379,854.56 and 152,768.36

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Solution

The fourth proportional to 275,257.50, 379,854.56 and 152,768.36 is: 210,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,257.50 : 379,854.56 = 152,768.36 : x
  2. Step 2: Convert to fraction form
    275,257.50/379,854.56 = 152,768.36/x
  3. Step 3: Cross multiply
    275,257.50x = 379,854.56 × 152,768.36
  4. Step 4: Simplify right side
    275,257.50x = 58,029,759,501.28
  5. Step 5: Solve for x
    x = 58,029,759,501.28/275,257.50
  6. Step 6: Final answer
    x = 210,819.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.