Home / 353,680.28-488,078.80-192,536.52

Finding the Fourth Proportional to 353,680.28, 488,078.80 and 192,536.52

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Solution

The fourth proportional to 353,680.28, 488,078.80 and 192,536.52 is: 265,700.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,680.28 : 488,078.80 = 192,536.52 : x
  2. Step 2: Convert to fraction form
    353,680.28/488,078.80 = 192,536.52/x
  3. Step 3: Cross multiply
    353,680.28x = 488,078.80 × 192,536.52
  4. Step 4: Simplify right side
    353,680.28x = 93,972,993,637.78
  5. Step 5: Solve for x
    x = 93,972,993,637.78/353,680.28
  6. Step 6: Final answer
    x = 265,700.41

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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.