Home / 240,133.79-331,356.43-132,697.42

Finding the Fourth Proportional to 240,133.79, 331,356.43 and 132,697.42

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Solution

The fourth proportional to 240,133.79, 331,356.43 and 132,697.42 is: 183,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,133.79 : 331,356.43 = 132,697.42 : x
  2. Step 2: Convert to fraction form
    240,133.79/331,356.43 = 132,697.42/x
  3. Step 3: Cross multiply
    240,133.79x = 331,356.43 × 132,697.42
  4. Step 4: Simplify right side
    240,133.79x = 43,970,143,361.41
  5. Step 5: Solve for x
    x = 43,970,143,361.41/240,133.79
  6. Step 6: Final answer
    x = 183,106.86

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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.