Home / 204,559.60-306,839.40-186,844.90

Finding the Fourth Proportional to 204,559.60, 306,839.40 and 186,844.90

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Solution

The fourth proportional to 204,559.60, 306,839.40 and 186,844.90 is: 280,267.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,559.60 : 306,839.40 = 186,844.90 : x
  2. Step 2: Convert to fraction form
    204,559.60/306,839.40 = 186,844.90/x
  3. Step 3: Cross multiply
    204,559.60x = 306,839.40 × 186,844.90
  4. Step 4: Simplify right side
    204,559.60x = 57,331,377,009.06
  5. Step 5: Solve for x
    x = 57,331,377,009.06/204,559.60
  6. Step 6: Final answer
    x = 280,267.35

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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.