Home / 240,125.80-331,374.64-131,232.37

Finding the Fourth Proportional to 240,125.80, 331,374.64 and 131,232.37

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Solution

The fourth proportional to 240,125.80, 331,374.64 and 131,232.37 is: 181,101.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,125.80 : 331,374.64 = 131,232.37 : x
  2. Step 2: Convert to fraction form
    240,125.80/331,374.64 = 131,232.37/x
  3. Step 3: Cross multiply
    240,125.80x = 331,374.64 × 131,232.37
  4. Step 4: Simplify right side
    240,125.80x = 43,487,078,208.58
  5. Step 5: Solve for x
    x = 43,487,078,208.58/240,125.80
  6. Step 6: Final answer
    x = 181,101.23

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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.