Home / 240,261.84-331,562.64-131,366.52

Finding the Fourth Proportional to 240,261.84, 331,562.64 and 131,366.52

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Solution

The fourth proportional to 240,261.84, 331,562.64 and 131,366.52 is: 181,286.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,261.84 : 331,562.64 = 131,366.52 : x
  2. Step 2: Convert to fraction form
    240,261.84/331,562.64 = 131,366.52/x
  3. Step 3: Cross multiply
    240,261.84x = 331,562.64 × 131,366.52
  4. Step 4: Simplify right side
    240,261.84x = 43,556,230,178.81
  5. Step 5: Solve for x
    x = 43,556,230,178.81/240,261.84
  6. Step 6: Final answer
    x = 181,286.51

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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.