Home / 188,025.10-281,981.75-54,869.60

Finding the Fourth Proportional to 188,025.10, 281,981.75 and 54,869.60

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Solution

The fourth proportional to 188,025.10, 281,981.75 and 54,869.60 is: 82,288.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,025.10 : 281,981.75 = 54,869.60 : x
  2. Step 2: Convert to fraction form
    188,025.10/281,981.75 = 54,869.60/x
  3. Step 3: Cross multiply
    188,025.10x = 281,981.75 × 54,869.60
  4. Step 4: Simplify right side
    188,025.10x = 15,472,225,829.80
  5. Step 5: Solve for x
    x = 15,472,225,829.80/188,025.10
  6. Step 6: Final answer
    x = 82,288.09

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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.