Home / 199,477.20-298,812.60-124,366.80

Finding the Fourth Proportional to 199,477.20, 298,812.60 and 124,366.80

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Solution

The fourth proportional to 199,477.20, 298,812.60 and 124,366.80 is: 186,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,477.20 : 298,812.60 = 124,366.80 : x
  2. Step 2: Convert to fraction form
    199,477.20/298,812.60 = 124,366.80/x
  3. Step 3: Cross multiply
    199,477.20x = 298,812.60 × 124,366.80
  4. Step 4: Simplify right side
    199,477.20x = 37,162,366,861.68
  5. Step 5: Solve for x
    x = 37,162,366,861.68/199,477.20
  6. Step 6: Final answer
    x = 186,298.82

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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.