Home / 175,257.60-262,886.40-108,481.20

Finding the Fourth Proportional to 175,257.60, 262,886.40 and 108,481.20

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Solution

The fourth proportional to 175,257.60, 262,886.40 and 108,481.20 is: 162,721.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,257.60 : 262,886.40 = 108,481.20 : x
  2. Step 2: Convert to fraction form
    175,257.60/262,886.40 = 108,481.20/x
  3. Step 3: Cross multiply
    175,257.60x = 262,886.40 × 108,481.20
  4. Step 4: Simplify right side
    175,257.60x = 28,518,232,135.68
  5. Step 5: Solve for x
    x = 28,518,232,135.68/175,257.60
  6. Step 6: Final answer
    x = 162,721.80

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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.