Home / 240,542.17-331,943.21-133,105.75

Finding the Fourth Proportional to 240,542.17, 331,943.21 and 133,105.75

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Solution

The fourth proportional to 240,542.17, 331,943.21 and 133,105.75 is: 183,683.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,542.17 : 331,943.21 = 133,105.75 : x
  2. Step 2: Convert to fraction form
    240,542.17/331,943.21 = 133,105.75/x
  3. Step 3: Cross multiply
    240,542.17x = 331,943.21 × 133,105.75
  4. Step 4: Simplify right side
    240,542.17x = 44,183,548,761.84
  5. Step 5: Solve for x
    x = 44,183,548,761.84/240,542.17
  6. Step 6: Final answer
    x = 183,683.17

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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.