Home / 353,467.08-487,786.68-192,323.34

Finding the Fourth Proportional to 353,467.08, 487,786.68 and 192,323.34

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Solution

The fourth proportional to 353,467.08, 487,786.68 and 192,323.34 is: 265,407.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,467.08 : 487,786.68 = 192,323.34 : x
  2. Step 2: Convert to fraction form
    353,467.08/487,786.68 = 192,323.34/x
  3. Step 3: Cross multiply
    353,467.08x = 487,786.68 × 192,323.34
  4. Step 4: Simplify right side
    353,467.08x = 93,812,763,505.11
  5. Step 5: Solve for x
    x = 93,812,763,505.11/353,467.08
  6. Step 6: Final answer
    x = 265,407.36

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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.