Home / 177,074.20-265,173.90-131,987.44

Finding the Fourth Proportional to 177,074.20, 265,173.90 and 131,987.44

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Solution

The fourth proportional to 177,074.20, 265,173.90 and 131,987.44 is: 197,655.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,074.20 : 265,173.90 = 131,987.44 : x
  2. Step 2: Convert to fraction form
    177,074.20/265,173.90 = 131,987.44/x
  3. Step 3: Cross multiply
    177,074.20x = 265,173.90 × 131,987.44
  4. Step 4: Simplify right side
    177,074.20x = 34,999,624,215.82
  5. Step 5: Solve for x
    x = 34,999,624,215.82/177,074.20
  6. Step 6: Final answer
    x = 197,655.13

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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.