Home / 236,999.30-327,059.02-129,569.31

Finding the Fourth Proportional to 236,999.30, 327,059.02 and 129,569.31

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Solution

The fourth proportional to 236,999.30, 327,059.02 and 129,569.31 is: 178,805.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,999.30 : 327,059.02 = 129,569.31 : x
  2. Step 2: Convert to fraction form
    236,999.30/327,059.02 = 129,569.31/x
  3. Step 3: Cross multiply
    236,999.30x = 327,059.02 × 129,569.31
  4. Step 4: Simplify right side
    236,999.30x = 42,376,810,523.88
  5. Step 5: Solve for x
    x = 42,376,810,523.88/236,999.30
  6. Step 6: Final answer
    x = 178,805.63

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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.