Home / 146,579.40-219,869.10-76,595.40

Finding the Fourth Proportional to 146,579.40, 219,869.10 and 76,595.40

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Solution

The fourth proportional to 146,579.40, 219,869.10 and 76,595.40 is: 114,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,579.40 : 219,869.10 = 76,595.40 : x
  2. Step 2: Convert to fraction form
    146,579.40/219,869.10 = 76,595.40/x
  3. Step 3: Cross multiply
    146,579.40x = 219,869.10 × 76,595.40
  4. Step 4: Simplify right side
    146,579.40x = 16,840,961,662.14
  5. Step 5: Solve for x
    x = 16,840,961,662.14/146,579.40
  6. Step 6: Final answer
    x = 114,893.10

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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.