Home / 187,246.20-280,869.30-124,260.60

Finding the Fourth Proportional to 187,246.20, 280,869.30 and 124,260.60

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Solution

The fourth proportional to 187,246.20, 280,869.30 and 124,260.60 is: 186,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,246.20 : 280,869.30 = 124,260.60 : x
  2. Step 2: Convert to fraction form
    187,246.20/280,869.30 = 124,260.60/x
  3. Step 3: Cross multiply
    187,246.20x = 280,869.30 × 124,260.60
  4. Step 4: Simplify right side
    187,246.20x = 34,900,987,739.58
  5. Step 5: Solve for x
    x = 34,900,987,739.58/187,246.20
  6. Step 6: Final answer
    x = 186,390.90

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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.