Home / 186,926.58-280,428.75-81,717.30

Finding the Fourth Proportional to 186,926.58, 280,428.75 and 81,717.30

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Solution

The fourth proportional to 186,926.58, 280,428.75 and 81,717.30 is: 122,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,926.58 : 280,428.75 = 81,717.30 : x
  2. Step 2: Convert to fraction form
    186,926.58/280,428.75 = 81,717.30/x
  3. Step 3: Cross multiply
    186,926.58x = 280,428.75 × 81,717.30
  4. Step 4: Simplify right side
    186,926.58x = 22,915,880,292.38
  5. Step 5: Solve for x
    x = 22,915,880,292.38/186,926.58
  6. Step 6: Final answer
    x = 122,592.95

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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.