Home / 186,832.40-280,216.20-68,442.80

Finding the Fourth Proportional to 186,832.40, 280,216.20 and 68,442.80

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Solution

The fourth proportional to 186,832.40, 280,216.20 and 68,442.80 is: 102,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,832.40 : 280,216.20 = 68,442.80 : x
  2. Step 2: Convert to fraction form
    186,832.40/280,216.20 = 68,442.80/x
  3. Step 3: Cross multiply
    186,832.40x = 280,216.20 × 68,442.80
  4. Step 4: Simplify right side
    186,832.40x = 19,178,781,333.36
  5. Step 5: Solve for x
    x = 19,178,781,333.36/186,832.40
  6. Step 6: Final answer
    x = 102,652.33

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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.