Home / 177,076.80-265,615.20-162,642.60

Finding the Fourth Proportional to 177,076.80, 265,615.20 and 162,642.60

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Solution

The fourth proportional to 177,076.80, 265,615.20 and 162,642.60 is: 243,963.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,076.80 : 265,615.20 = 162,642.60 : x
  2. Step 2: Convert to fraction form
    177,076.80/265,615.20 = 162,642.60/x
  3. Step 3: Cross multiply
    177,076.80x = 265,615.20 × 162,642.60
  4. Step 4: Simplify right side
    177,076.80x = 43,200,346,727.52
  5. Step 5: Solve for x
    x = 43,200,346,727.52/177,076.80
  6. Step 6: Final answer
    x = 243,963.90

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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.