Home / 146,543.40-219,815.10-57,748.56

Finding the Fourth Proportional to 146,543.40, 219,815.10 and 57,748.56

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Solution

The fourth proportional to 146,543.40, 219,815.10 and 57,748.56 is: 86,622.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,543.40 : 219,815.10 = 57,748.56 : x
  2. Step 2: Convert to fraction form
    146,543.40/219,815.10 = 57,748.56/x
  3. Step 3: Cross multiply
    146,543.40x = 219,815.10 × 57,748.56
  4. Step 4: Simplify right side
    146,543.40x = 12,694,005,491.26
  5. Step 5: Solve for x
    x = 12,694,005,491.26/146,543.40
  6. Step 6: Final answer
    x = 86,622.84

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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.