Home / 331,649.05-457,677.23-188,416.95

Finding the Fourth Proportional to 331,649.05, 457,677.23 and 188,416.95

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Solution

The fourth proportional to 331,649.05, 457,677.23 and 188,416.95 is: 260,016.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,649.05 : 457,677.23 = 188,416.95 : x
  2. Step 2: Convert to fraction form
    331,649.05/457,677.23 = 188,416.95/x
  3. Step 3: Cross multiply
    331,649.05x = 457,677.23 × 188,416.95
  4. Step 4: Simplify right side
    331,649.05x = 86,234,148,736.95
  5. Step 5: Solve for x
    x = 86,234,148,736.95/331,649.05
  6. Step 6: Final answer
    x = 260,016.27

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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.