Home / 177,255.76-265,933.88-72,150.16

Finding the Fourth Proportional to 177,255.76, 265,933.88 and 72,150.16

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Solution

The fourth proportional to 177,255.76, 265,933.88 and 72,150.16 is: 108,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,255.76 : 265,933.88 = 72,150.16 : x
  2. Step 2: Convert to fraction form
    177,255.76/265,933.88 = 72,150.16/x
  3. Step 3: Cross multiply
    177,255.76x = 265,933.88 × 72,150.16
  4. Step 4: Simplify right side
    177,255.76x = 19,187,171,991.42
  5. Step 5: Solve for x
    x = 19,187,171,991.42/177,255.76
  6. Step 6: Final answer
    x = 108,245.69

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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.