Home / 186,511.24-279,766.88-53,391.98

Finding the Fourth Proportional to 186,511.24, 279,766.88 and 53,391.98

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Solution

The fourth proportional to 186,511.24, 279,766.88 and 53,391.98 is: 80,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,511.24 : 279,766.88 = 53,391.98 : x
  2. Step 2: Convert to fraction form
    186,511.24/279,766.88 = 53,391.98/x
  3. Step 3: Cross multiply
    186,511.24x = 279,766.88 × 53,391.98
  4. Step 4: Simplify right side
    186,511.24x = 14,937,307,661.62
  5. Step 5: Solve for x
    x = 14,937,307,661.62/186,511.24
  6. Step 6: Final answer
    x = 80,087.98

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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.