Home / 117,672.30-176,399.10-82,133.55

Finding the Fourth Proportional to 117,672.30, 176,399.10 and 82,133.55

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Solution

The fourth proportional to 117,672.30, 176,399.10 and 82,133.55 is: 123,124.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,672.30 : 176,399.10 = 82,133.55 : x
  2. Step 2: Convert to fraction form
    117,672.30/176,399.10 = 82,133.55/x
  3. Step 3: Cross multiply
    117,672.30x = 176,399.10 × 82,133.55
  4. Step 4: Simplify right side
    117,672.30x = 14,488,284,299.81
  5. Step 5: Solve for x
    x = 14,488,284,299.81/117,672.30
  6. Step 6: Final answer
    x = 123,124.00

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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.