Home / 199,070.76-298,508.94-86,845.80

Finding the Fourth Proportional to 199,070.76, 298,508.94 and 86,845.80

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Solution

The fourth proportional to 199,070.76, 298,508.94 and 86,845.80 is: 130,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,070.76 : 298,508.94 = 86,845.80 : x
  2. Step 2: Convert to fraction form
    199,070.76/298,508.94 = 86,845.80/x
  3. Step 3: Cross multiply
    199,070.76x = 298,508.94 × 86,845.80
  4. Step 4: Simplify right side
    199,070.76x = 25,924,247,701.45
  5. Step 5: Solve for x
    x = 25,924,247,701.45/199,070.76
  6. Step 6: Final answer
    x = 130,226.30

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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.