Home / 281,719.60-422,579.40-176,743.60

Finding the Fourth Proportional to 281,719.60, 422,579.40 and 176,743.60

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Solution

The fourth proportional to 281,719.60, 422,579.40 and 176,743.60 is: 265,115.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,719.60 : 422,579.40 = 176,743.60 : x
  2. Step 2: Convert to fraction form
    281,719.60/422,579.40 = 176,743.60/x
  3. Step 3: Cross multiply
    281,719.60x = 422,579.40 × 176,743.60
  4. Step 4: Simplify right side
    281,719.60x = 74,688,204,441.84
  5. Step 5: Solve for x
    x = 74,688,204,441.84/281,719.60
  6. Step 6: Final answer
    x = 265,115.40

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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.