Home / 369,086.20-553,629.30-236,116.60

Finding the Fourth Proportional to 369,086.20, 553,629.30 and 236,116.60

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Solution

The fourth proportional to 369,086.20, 553,629.30 and 236,116.60 is: 354,174.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,086.20 : 553,629.30 = 236,116.60 : x
  2. Step 2: Convert to fraction form
    369,086.20/553,629.30 = 236,116.60/x
  3. Step 3: Cross multiply
    369,086.20x = 553,629.30 × 236,116.60
  4. Step 4: Simplify right side
    369,086.20x = 130,721,067,976.38
  5. Step 5: Solve for x
    x = 130,721,067,976.38/369,086.20
  6. Step 6: Final answer
    x = 354,174.90

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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.