Home / 146,634.40-219,990.30-57,866.32

Finding the Fourth Proportional to 146,634.40, 219,990.30 and 57,866.32

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Solution

The fourth proportional to 146,634.40, 219,990.30 and 57,866.32 is: 86,814.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,634.40 : 219,990.30 = 57,866.32 : x
  2. Step 2: Convert to fraction form
    146,634.40/219,990.30 = 57,866.32/x
  3. Step 3: Cross multiply
    146,634.40x = 219,990.30 × 57,866.32
  4. Step 4: Simplify right side
    146,634.40x = 12,730,029,096.70
  5. Step 5: Solve for x
    x = 12,730,029,096.70/146,634.40
  6. Step 6: Final answer
    x = 86,814.75

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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.