Home / 186,860.27-280,327.28-68,532.63

Finding the Fourth Proportional to 186,860.27, 280,327.28 and 68,532.63

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Solution

The fourth proportional to 186,860.27, 280,327.28 and 68,532.63 is: 102,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,860.27 : 280,327.28 = 68,532.63 : x
  2. Step 2: Convert to fraction form
    186,860.27/280,327.28 = 68,532.63/x
  3. Step 3: Cross multiply
    186,860.27x = 280,327.28 × 68,532.63
  4. Step 4: Simplify right side
    186,860.27x = 19,211,565,930.48
  5. Step 5: Solve for x
    x = 19,211,565,930.48/186,860.27
  6. Step 6: Final answer
    x = 102,812.47

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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.