Home / 186,069.07-279,103.67-45,827.70

Finding the Fourth Proportional to 186,069.07, 279,103.67 and 45,827.70

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Solution

The fourth proportional to 186,069.07, 279,103.67 and 45,827.70 is: 68,741.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,069.07 : 279,103.67 = 45,827.70 : x
  2. Step 2: Convert to fraction form
    186,069.07/279,103.67 = 45,827.70/x
  3. Step 3: Cross multiply
    186,069.07x = 279,103.67 × 45,827.70
  4. Step 4: Simplify right side
    186,069.07x = 12,790,679,257.66
  5. Step 5: Solve for x
    x = 12,790,679,257.66/186,069.07
  6. Step 6: Final answer
    x = 68,741.57

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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.