Home / 236,969.32-327,016.92-129,539.40

Finding the Fourth Proportional to 236,969.32, 327,016.92 and 129,539.40

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Solution

The fourth proportional to 236,969.32, 327,016.92 and 129,539.40 is: 178,763.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,969.32 : 327,016.92 = 129,539.40 : x
  2. Step 2: Convert to fraction form
    236,969.32/327,016.92 = 129,539.40/x
  3. Step 3: Cross multiply
    236,969.32x = 327,016.92 × 129,539.40
  4. Step 4: Simplify right side
    236,969.32x = 42,361,575,606.65
  5. Step 5: Solve for x
    x = 42,361,575,606.65/236,969.32
  6. Step 6: Final answer
    x = 178,763.97

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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.