Home / 199,019.03-298,473.12-65,909.66

Finding the Fourth Proportional to 199,019.03, 298,473.12 and 65,909.66

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Solution

The fourth proportional to 199,019.03, 298,473.12 and 65,909.66 is: 98,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,019.03 : 298,473.12 = 65,909.66 : x
  2. Step 2: Convert to fraction form
    199,019.03/298,473.12 = 65,909.66/x
  3. Step 3: Cross multiply
    199,019.03x = 298,473.12 × 65,909.66
  4. Step 4: Simplify right side
    199,019.03x = 19,672,261,858.34
  5. Step 5: Solve for x
    x = 19,672,261,858.34/199,019.03
  6. Step 6: Final answer
    x = 98,846.14

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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.