Home / 239,952.48-331,128.08-132,520.20

Finding the Fourth Proportional to 239,952.48, 331,128.08 and 132,520.20

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Solution

The fourth proportional to 239,952.48, 331,128.08 and 132,520.20 is: 182,874.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,952.48 : 331,128.08 = 132,520.20 : x
  2. Step 2: Convert to fraction form
    239,952.48/331,128.08 = 132,520.20/x
  3. Step 3: Cross multiply
    239,952.48x = 331,128.08 × 132,520.20
  4. Step 4: Simplify right side
    239,952.48x = 43,881,157,979.84
  5. Step 5: Solve for x
    x = 43,881,157,979.84/239,952.48
  6. Step 6: Final answer
    x = 182,874.37

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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.