Home / 353,499.10-487,824.64-192,351.37

Finding the Fourth Proportional to 353,499.10, 487,824.64 and 192,351.37

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Solution

The fourth proportional to 353,499.10, 487,824.64 and 192,351.37 is: 265,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,499.10 : 487,824.64 = 192,351.37 : x
  2. Step 2: Convert to fraction form
    353,499.10/487,824.64 = 192,351.37/x
  3. Step 3: Cross multiply
    353,499.10x = 487,824.64 × 192,351.37
  4. Step 4: Simplify right side
    353,499.10x = 93,833,737,823.76
  5. Step 5: Solve for x
    x = 93,833,737,823.76/353,499.10
  6. Step 6: Final answer
    x = 265,442.65

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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.