Home / 177,217.20-265,825.80-83,905.20

Finding the Fourth Proportional to 177,217.20, 265,825.80 and 83,905.20

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Solution

The fourth proportional to 177,217.20, 265,825.80 and 83,905.20 is: 125,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,217.20 : 265,825.80 = 83,905.20 : x
  2. Step 2: Convert to fraction form
    177,217.20/265,825.80 = 83,905.20/x
  3. Step 3: Cross multiply
    177,217.20x = 265,825.80 × 83,905.20
  4. Step 4: Simplify right side
    177,217.20x = 22,304,166,914.16
  5. Step 5: Solve for x
    x = 22,304,166,914.16/177,217.20
  6. Step 6: Final answer
    x = 125,857.80

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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.