Home / 353,270.90-487,519.57-192,129.14

Finding the Fourth Proportional to 353,270.90, 487,519.57 and 192,129.14

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Solution

The fourth proportional to 353,270.90, 487,519.57 and 192,129.14 is: 265,141.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,270.90 : 487,519.57 = 192,129.14 : x
  2. Step 2: Convert to fraction form
    353,270.90/487,519.57 = 192,129.14/x
  3. Step 3: Cross multiply
    353,270.90x = 487,519.57 × 192,129.14
  4. Step 4: Simplify right side
    353,270.90x = 93,666,715,717.27
  5. Step 5: Solve for x
    x = 93,666,715,717.27/353,270.90
  6. Step 6: Final answer
    x = 265,141.33

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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.