Home / 236,964.32-327,010-129,534.40

Finding the Fourth Proportional to 236,964.32, 327,010 and 129,534.40

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Solution

The fourth proportional to 236,964.32, 327,010 and 129,534.40 is: 178,757.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,964.32 : 327,010 = 129,534.40 : x
  2. Step 2: Convert to fraction form
    236,964.32/327,010 = 129,534.40/x
  3. Step 3: Cross multiply
    236,964.32x = 327,010 × 129,534.40
  4. Step 4: Simplify right side
    236,964.32x = 42,359,044,144
  5. Step 5: Solve for x
    x = 42,359,044,144/236,964.32
  6. Step 6: Final answer
    x = 178,757.06

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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.