Home / 186,856.57-280,118.16-68,500.27

Finding the Fourth Proportional to 186,856.57, 280,118.16 and 68,500.27

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Solution

The fourth proportional to 186,856.57, 280,118.16 and 68,500.27 is: 102,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,856.57 : 280,118.16 = 68,500.27 : x
  2. Step 2: Convert to fraction form
    186,856.57/280,118.16 = 68,500.27/x
  3. Step 3: Cross multiply
    186,856.57x = 280,118.16 × 68,500.27
  4. Step 4: Simplify right side
    186,856.57x = 19,188,169,591.90
  5. Step 5: Solve for x
    x = 19,188,169,591.90/186,856.57
  6. Step 6: Final answer
    x = 102,689.30

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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.