Home / 176,490.08-264,764.40-81,815.12

Finding the Fourth Proportional to 176,490.08, 264,764.40 and 81,815.12

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Solution

The fourth proportional to 176,490.08, 264,764.40 and 81,815.12 is: 122,736.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,490.08 : 264,764.40 = 81,815.12 : x
  2. Step 2: Convert to fraction form
    176,490.08/264,764.40 = 81,815.12/x
  3. Step 3: Cross multiply
    176,490.08x = 264,764.40 × 81,815.12
  4. Step 4: Simplify right side
    176,490.08x = 21,661,731,157.73
  5. Step 5: Solve for x
    x = 21,661,731,157.73/176,490.08
  6. Step 6: Final answer
    x = 122,736.25

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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.