Home / 171,277.19-256,583.30-126,216.75

Finding the Fourth Proportional to 171,277.19, 256,583.30 and 126,216.75

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Solution

The fourth proportional to 171,277.19, 256,583.30 and 126,216.75 is: 189,080.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,277.19 : 256,583.30 = 126,216.75 : x
  2. Step 2: Convert to fraction form
    171,277.19/256,583.30 = 126,216.75/x
  3. Step 3: Cross multiply
    171,277.19x = 256,583.30 × 126,216.75
  4. Step 4: Simplify right side
    171,277.19x = 32,385,110,230.28
  5. Step 5: Solve for x
    x = 32,385,110,230.28/171,277.19
  6. Step 6: Final answer
    x = 189,080.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.