Home / 225,621.60-338,432.40-186,223.20

Finding the Fourth Proportional to 225,621.60, 338,432.40 and 186,223.20

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Solution

The fourth proportional to 225,621.60, 338,432.40 and 186,223.20 is: 279,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,621.60 : 338,432.40 = 186,223.20 : x
  2. Step 2: Convert to fraction form
    225,621.60/338,432.40 = 186,223.20/x
  3. Step 3: Cross multiply
    225,621.60x = 338,432.40 × 186,223.20
  4. Step 4: Simplify right side
    225,621.60x = 63,023,964,511.68
  5. Step 5: Solve for x
    x = 63,023,964,511.68/225,621.60
  6. Step 6: Final answer
    x = 279,334.80

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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.