Home / 177,234.40-265,621.20-127,928.80

Finding the Fourth Proportional to 177,234.40, 265,621.20 and 127,928.80

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Solution

The fourth proportional to 177,234.40, 265,621.20 and 127,928.80 is: 191,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,234.40 : 265,621.20 = 127,928.80 : x
  2. Step 2: Convert to fraction form
    177,234.40/265,621.20 = 127,928.80/x
  3. Step 3: Cross multiply
    177,234.40x = 265,621.20 × 127,928.80
  4. Step 4: Simplify right side
    177,234.40x = 33,980,601,370.56
  5. Step 5: Solve for x
    x = 33,980,601,370.56/177,234.40
  6. Step 6: Final answer
    x = 191,726.90

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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.