Home / 204,036.40-306,054.60-124,202.80

Finding the Fourth Proportional to 204,036.40, 306,054.60 and 124,202.80

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Solution

The fourth proportional to 204,036.40, 306,054.60 and 124,202.80 is: 186,304.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,036.40 : 306,054.60 = 124,202.80 : x
  2. Step 2: Convert to fraction form
    204,036.40/306,054.60 = 124,202.80/x
  3. Step 3: Cross multiply
    204,036.40x = 306,054.60 × 124,202.80
  4. Step 4: Simplify right side
    204,036.40x = 38,012,838,272.88
  5. Step 5: Solve for x
    x = 38,012,838,272.88/204,036.40
  6. Step 6: Final answer
    x = 186,304.20

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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.