Home / 331,395.72-457,329.14-188,158.83

Finding the Fourth Proportional to 331,395.72, 457,329.14 and 188,158.83

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Solution

The fourth proportional to 331,395.72, 457,329.14 and 188,158.83 is: 259,660.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,395.72 : 457,329.14 = 188,158.83 : x
  2. Step 2: Convert to fraction form
    331,395.72/457,329.14 = 188,158.83/x
  3. Step 3: Cross multiply
    331,395.72x = 457,329.14 × 188,158.83
  4. Step 4: Simplify right side
    331,395.72x = 86,050,515,907.31
  5. Step 5: Solve for x
    x = 86,050,515,907.31/331,395.72
  6. Step 6: Final answer
    x = 259,660.92

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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.