Home / 353,277.22-487,517.85-192,128.80

Finding the Fourth Proportional to 353,277.22, 487,517.85 and 192,128.80

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Solution

The fourth proportional to 353,277.22, 487,517.85 and 192,128.80 is: 265,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,277.22 : 487,517.85 = 192,128.80 : x
  2. Step 2: Convert to fraction form
    353,277.22/487,517.85 = 192,128.80/x
  3. Step 3: Cross multiply
    353,277.22x = 487,517.85 × 192,128.80
  4. Step 4: Simplify right side
    353,277.22x = 93,666,219,499.08
  5. Step 5: Solve for x
    x = 93,666,219,499.08/353,277.22
  6. Step 6: Final answer
    x = 265,135.18

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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.