Home / 199,081.60-298,520.85-65,913.80

Finding the Fourth Proportional to 199,081.60, 298,520.85 and 65,913.80

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Solution

The fourth proportional to 199,081.60, 298,520.85 and 65,913.80 is: 98,837.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,081.60 : 298,520.85 = 65,913.80 : x
  2. Step 2: Convert to fraction form
    199,081.60/298,520.85 = 65,913.80/x
  3. Step 3: Cross multiply
    199,081.60x = 298,520.85 × 65,913.80
  4. Step 4: Simplify right side
    199,081.60x = 19,676,643,602.73
  5. Step 5: Solve for x
    x = 19,676,643,602.73/199,081.60
  6. Step 6: Final answer
    x = 98,837.08

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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.