Home / 239,887.85-331,043.10-132,455.57

Finding the Fourth Proportional to 239,887.85, 331,043.10 and 132,455.57

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Solution

The fourth proportional to 239,887.85, 331,043.10 and 132,455.57 is: 182,787.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,887.85 : 331,043.10 = 132,455.57 : x
  2. Step 2: Convert to fraction form
    239,887.85/331,043.10 = 132,455.57/x
  3. Step 3: Cross multiply
    239,887.85x = 331,043.10 × 132,455.57
  4. Step 4: Simplify right side
    239,887.85x = 43,848,502,505.07
  5. Step 5: Solve for x
    x = 43,848,502,505.07/239,887.85
  6. Step 6: Final answer
    x = 182,787.51

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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.