Home / 353,632.26-488,054.13-198,609.06

Finding the Fourth Proportional to 353,632.26, 488,054.13 and 198,609.06

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Solution

The fourth proportional to 353,632.26, 488,054.13 and 198,609.06 is: 274,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,632.26 : 488,054.13 = 198,609.06 : x
  2. Step 2: Convert to fraction form
    353,632.26/488,054.13 = 198,609.06/x
  3. Step 3: Cross multiply
    353,632.26x = 488,054.13 × 198,609.06
  4. Step 4: Simplify right side
    353,632.26x = 96,931,971,988.42
  5. Step 5: Solve for x
    x = 96,931,971,988.42/353,632.26
  6. Step 6: Final answer
    x = 274,103.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.