Home / 359,240.94-495,741.15-198,102.78

Finding the Fourth Proportional to 359,240.94, 495,741.15 and 198,102.78

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Solution

The fourth proportional to 359,240.94, 495,741.15 and 198,102.78 is: 273,375.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,240.94 : 495,741.15 = 198,102.78 : x
  2. Step 2: Convert to fraction form
    359,240.94/495,741.15 = 198,102.78/x
  3. Step 3: Cross multiply
    359,240.94x = 495,741.15 × 198,102.78
  4. Step 4: Simplify right side
    359,240.94x = 98,207,699,975.40
  5. Step 5: Solve for x
    x = 98,207,699,975.40/359,240.94
  6. Step 6: Final answer
    x = 273,375.58

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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.