Home / 117,554.20-176,331.30-82,124.80

Finding the Fourth Proportional to 117,554.20, 176,331.30 and 82,124.80

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Solution

The fourth proportional to 117,554.20, 176,331.30 and 82,124.80 is: 123,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,554.20 : 176,331.30 = 82,124.80 : x
  2. Step 2: Convert to fraction form
    117,554.20/176,331.30 = 82,124.80/x
  3. Step 3: Cross multiply
    117,554.20x = 176,331.30 × 82,124.80
  4. Step 4: Simplify right side
    117,554.20x = 14,481,172,746.24
  5. Step 5: Solve for x
    x = 14,481,172,746.24/117,554.20
  6. Step 6: Final answer
    x = 123,187.20

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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.