Home / 331,653.04-457,682.76-188,420.96

Finding the Fourth Proportional to 331,653.04, 457,682.76 and 188,420.96

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Solution

The fourth proportional to 331,653.04, 457,682.76 and 188,420.96 is: 260,021.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,653.04 : 457,682.76 = 188,420.96 : x
  2. Step 2: Convert to fraction form
    331,653.04/457,682.76 = 188,420.96/x
  3. Step 3: Cross multiply
    331,653.04x = 457,682.76 × 188,420.96
  4. Step 4: Simplify right side
    331,653.04x = 86,237,025,014.65
  5. Step 5: Solve for x
    x = 86,237,025,014.65/331,653.04
  6. Step 6: Final answer
    x = 260,021.81

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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.