Home / 331,625.31-457,655.22-188,409.66

Finding the Fourth Proportional to 331,625.31, 457,655.22 and 188,409.66

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Solution

The fourth proportional to 331,625.31, 457,655.22 and 188,409.66 is: 260,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,625.31 : 457,655.22 = 188,409.66 : x
  2. Step 2: Convert to fraction form
    331,625.31/457,655.22 = 188,409.66/x
  3. Step 3: Cross multiply
    331,625.31x = 457,655.22 × 188,409.66
  4. Step 4: Simplify right side
    331,625.31x = 86,226,664,397.43
  5. Step 5: Solve for x
    x = 86,226,664,397.43/331,625.31
  6. Step 6: Final answer
    x = 260,012.31

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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.