Home / 299,743.04-413,838.24-192,359.36

Finding the Fourth Proportional to 299,743.04, 413,838.24 and 192,359.36

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Solution

The fourth proportional to 299,743.04, 413,838.24 and 192,359.36 is: 265,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,743.04 : 413,838.24 = 192,359.36 : x
  2. Step 2: Convert to fraction form
    299,743.04/413,838.24 = 192,359.36/x
  3. Step 3: Cross multiply
    299,743.04x = 413,838.24 × 192,359.36
  4. Step 4: Simplify right side
    299,743.04x = 79,605,658,989.93
  5. Step 5: Solve for x
    x = 79,605,658,989.93/299,743.04
  6. Step 6: Final answer
    x = 265,579.67

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1.5x scale

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.