Home / 186,861.27-280,328.78-68,533.63

Finding the Fourth Proportional to 186,861.27, 280,328.78 and 68,533.63

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Solution

The fourth proportional to 186,861.27, 280,328.78 and 68,533.63 is: 102,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,861.27 : 280,328.78 = 68,533.63 : x
  2. Step 2: Convert to fraction form
    186,861.27/280,328.78 = 68,533.63/x
  3. Step 3: Cross multiply
    186,861.27x = 280,328.78 × 68,533.63
  4. Step 4: Simplify right side
    186,861.27x = 19,211,948,886.87
  5. Step 5: Solve for x
    x = 19,211,948,886.87/186,861.27
  6. Step 6: Final answer
    x = 102,813.97

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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.