Home / 199,541.20-298,908.60-124,430.80

Finding the Fourth Proportional to 199,541.20, 298,908.60 and 124,430.80

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Solution

The fourth proportional to 199,541.20, 298,908.60 and 124,430.80 is: 186,394.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,541.20 : 298,908.60 = 124,430.80 : x
  2. Step 2: Convert to fraction form
    199,541.20/298,908.60 = 124,430.80/x
  3. Step 3: Cross multiply
    199,541.20x = 298,908.60 × 124,430.80
  4. Step 4: Simplify right side
    199,541.20x = 37,193,436,224.88
  5. Step 5: Solve for x
    x = 37,193,436,224.88/199,541.20
  6. Step 6: Final answer
    x = 186,394.77

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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.