Home / 186,891.84-280,171.04-68,535.52

Finding the Fourth Proportional to 186,891.84, 280,171.04 and 68,535.52

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Solution

The fourth proportional to 186,891.84, 280,171.04 and 68,535.52 is: 102,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,891.84 : 280,171.04 = 68,535.52 : x
  2. Step 2: Convert to fraction form
    186,891.84/280,171.04 = 68,535.52/x
  3. Step 3: Cross multiply
    186,891.84x = 280,171.04 × 68,535.52
  4. Step 4: Simplify right side
    186,891.84x = 19,201,667,915.34
  5. Step 5: Solve for x
    x = 19,201,667,915.34/186,891.84
  6. Step 6: Final answer
    x = 102,742.14

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1.5x scale

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.