Home / 186,981.84-280,306.26-68,625.72

Finding the Fourth Proportional to 186,981.84, 280,306.26 and 68,625.72

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Solution

The fourth proportional to 186,981.84, 280,306.26 and 68,625.72 is: 102,877.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,981.84 : 280,306.26 = 68,625.72 : x
  2. Step 2: Convert to fraction form
    186,981.84/280,306.26 = 68,625.72/x
  3. Step 3: Cross multiply
    186,981.84x = 280,306.26 × 68,625.72
  4. Step 4: Simplify right side
    186,981.84x = 19,236,218,913.01
  5. Step 5: Solve for x
    x = 19,236,218,913.01/186,981.84
  6. Step 6: Final answer
    x = 102,877.47

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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.