Home / 353,280.24-487,521.99-192,131.82

Finding the Fourth Proportional to 353,280.24, 487,521.99 and 192,131.82

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Solution

The fourth proportional to 353,280.24, 487,521.99 and 192,131.82 is: 265,139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,280.24 : 487,521.99 = 192,131.82 : x
  2. Step 2: Convert to fraction form
    353,280.24/487,521.99 = 192,131.82/x
  3. Step 3: Cross multiply
    353,280.24x = 487,521.99 × 192,131.82
  4. Step 4: Simplify right side
    353,280.24x = 93,668,487,228.72
  5. Step 5: Solve for x
    x = 93,668,487,228.72/353,280.24
  6. Step 6: Final answer
    x = 265,139.33

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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.