Home / 199,246.20-298,898.10-66,132.60

Finding the Fourth Proportional to 199,246.20, 298,898.10 and 66,132.60

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Solution

The fourth proportional to 199,246.20, 298,898.10 and 66,132.60 is: 99,208.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,246.20 : 298,898.10 = 66,132.60 : x
  2. Step 2: Convert to fraction form
    199,246.20/298,898.10 = 66,132.60/x
  3. Step 3: Cross multiply
    199,246.20x = 298,898.10 × 66,132.60
  4. Step 4: Simplify right side
    199,246.20x = 19,766,908,488.06
  5. Step 5: Solve for x
    x = 19,766,908,488.06/199,246.20
  6. Step 6: Final answer
    x = 99,208.46

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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.